Statistical modeling and forecasting of the level of interest rates. Interest Rate Forecasting

14.04.2019

Rice. 9.6. parity band interest rates

in order to predict changes in legislation and in the conditions for concluding and executing contracts.

The following purposes of forecasting the exchange rate can be distinguished;

a) currency risk management.

This goal is leading, but not the only one; b) short-term financing decisions. The currency in which we borrow should have a desirably low interest rate and a tendency to weaken during the financing period; c) short-term investment decisions. The currency in which we place deposits or provide loans should have as high an interest rate as possible and tend to appreciate during the investment period; d) evaluation of long-term investment projects. If we are going to invest in another country, then the corresponding currency should ideally weaken. But if we invest funds within our own country for subsequent export, then it will be desirable to strengthen the corresponding currency;

e) assessment of long-term borrowings. In principle, the approach is the same as for short-term financing, but the implementation of this forecasting goal is much more difficult; f) management of the movement of income received* abroad. If the currency in which the income is received strengthens, then this income, most likely, should be repatriated, that is, taken out “home”. But if the opposite trend in the exchange rate is predicted, then it is best to reinvest them abroad.

The above list of goals shows the very significant impact that effective methods forecasting exchange rates on the profitability of international transactions. This determined the headquarters of the efforts and funds spent on solving the problem of their development. In the past period, an impressive arsenal of various forecasting methods has been created and extensive experience in their application has been accumulated.

The developed methods were based on theoretical studies on the movement of exchange rates carried out in the world financial science over the past decades, which were discussed above. Over the past twenty or thirty years, a large number of methods for assessing the future movement of exchange rates have been developed and practically tested. They are based on four basic approaches: 1) technical forecasting; 2) fundamental forecasting; 3) forecasting based on market expectations; 4) forecasting based on expert assessments.

The first two approaches come from two generally accepted forecasting methods, applied not only to exchange rates, but also to the prediction of many other socio-economic parameters. Features of their application in the currency markets are discussed in this section. The third approach is specific to forecasting exchange rates, so it will be given special attention. Finally, the fourth approach, which uses the intuitive opinions of experts, is rather obvious, and only some comments on the appropriateness of its application will be given below.

The approach based on technical forecasting can be formally represented as follows:

e(= a0 + a( x et_, + a2x ec_2 + + a „ x ec_ „, (9.17)

where e, is the change in the exchange rate in the forecast period t\

e, -2, ???, e, - " - changes in the exchange rate of the same currency in periods t - 1, t - 2, ..., t - p)

ak - statistical (weight) coefficients obtained by correlation-regression or other methods (k from 0 to n);

n is the number of past periods on the basis of which the forecast is built.

Technical forecasting has another name in the Russian version, namely forecasting based on time series. At present, quite a few new sophisticated methods of such forecasting have appeared, using a variety of non-linear functions of past and future data, graphical analysis fluctuations in the exchange rate, expert assessment of the possibility of carrying over from previous periods some patterns of the movement of this exchange rate, the so-called time series models, etc. Quite often, this really makes it possible to obtain satisfactory results. Nevertheless, in its essence, this approach assumes the admissibility of extrapolation, the extension of the development trends of a phenomenon that have developed in the past, into the future. From this premise both its possibilities and its limitations follow. The economic interpretation of the forecast is quite simple, but any significant change in the existing trends turns out to be detrimental to the quality of forecasting the future value of the exchange rate.

Fundamental forecasting, unlike technical forecasting, is based not on the extrapolation of the past trend of change in the exchange rate itself, but on the study of its dependence on various factors that are outside the foreign exchange market. In this regard, in the Russian-language litas, ratura, it is often also called factorial. In a formal form, this approach can be written as follows:

es \u003d aa + ahhi + ... + axP "(+ an ^ + y.x + - + an + tut1_u (9.18)

where хх, ..., хп," are the factors influencing the foreign exchange rate, the values ​​of which are also predicted for the period

y „, _ „ ..., ut," _, - factors affecting the foreign exchange rate, the values ​​of which can be calculated based on the actual data of the period t -

n, m - the number of factors of the first and second groups.

The selection of these two groups of factors is necessary, since it reflects the essence of the approach to forecasting the exchange rate. Indeed, the construction of factor models in the area under consideration should be based, first of all, on generally accepted theoretical considerations of the influence of certain parameters on the exchange rate.

The theory of Fisher's international effect discussed above defines a two-factor model in which the future value of the exchange rate depends on both the relative inflation rate and the comparative level of interest rates in the two countries between whose currencies the desired exchange rate is predicted. In this case, the inflation rates are taken for the period for which the forecast is made, i.e., they themselves must be predicted. You can also take the inflation rates for the previous period, for which they are already known. However, this requires appropriate justification, i.e., determining what is more statistically significant: the relationship of the movement of the exchange rate with the accompanying inflation rates or with those prevailing in the past period, and whether such a replacement will lead to a loss in the quality of the forecast.

As for interest rates considered as a factor in this theory, at first glance they are valid for the forecasting period and in this sense are unambiguously determined already at the beginning of the period, and therefore can be interpreted as a factor of the previous period. However, this is not quite true. The fact is that we usually make a forecast in advance, with some lead, which means that interest rates for the forecasting period are not yet known and must themselves be the subject of a forecast. As in the previous case, the rates of the previous period can also be considered as a factor, but here the same additional justification is required. Thus, the application of fundamental forecasting is associated with a number of problems, the degree of resolution of which directly affects the quality of the forecast.

Among these problems, first of all, it is necessary to pay attention to the following. The first is to find the periods for which the factors are taken. In this case, we are talking not only about the forecasting period and the period immediately preceding it. It is possible that the quality of the forecast may be higher if earlier periods are taken or if the model includes the values ​​of the same factor for several periods: 4 ^ - 1, ? - 2, etc. In particular, this may be appropriate when building a short-term forecast, for example, a month or a week ahead.

If it turns out to be justified to use the values ​​of the factors in the forecast period, then naturally the problem arises of how to obtain these values.

After resolving issues related to determining the required set of factors, problems arise in constructing a correlation-regression or some other relationship between the factors under consideration and the desired value. At the same time, there are traditional dangers of the process of constructing regression equations and, above all, the possibility of missing unaccounted for, but significant factors, which makes the model as a whole not quite adequate.

Finally, another very significant problem is the stability of the regression coefficients obtained as a result of calculating the regression equation. The instability and variability of these coefficients can stem from two main reasons. The first of them is that when the set of factors used or the method of calculating their values ​​is changed (for example, the calculation of this value for the period t or the same factor.

The second reason stems from the need to use predictive values ​​of factors in certain cases. Such a forecast cannot be absolutely accurate and, moreover, in most cases it is inappropriate to refine it, for example, to average it, since this leads to artificial smoothing of the obtained forecast values ​​of the exchange rate, which does not reflect the full complexity of the dependence under study.

In order to better understand the latter position and, in general, more clearly imagine the ways of using the economic interpretation of the results of fundamental forecasting, we will give an example.

Consider a two-factor fundamental forecasting model of the following form:

ec=a0+axxc+a2y1L, (9.19)

where x1 is the difference in interest rates between the two countries predicted for period I;

g/(_, - actual for the period? - 1 value of the difference in inflation rates between countries.

Assume that a statistically significant regression equation is obtained for this model

e(=0(2-0^c(+05y(_1. (9.20)

This equation can be interpreted in accordance with formulas (9.6) and (9.11) as follows.

Each percentage excess of the inflation rate in some conditional “our” country compared to the inflation rate in “another” country in the past period leads to a 0.5% increase in the direct exchange rate of “our” currency against the “other” currency in the forecast. - Ruem period. An increase in the direct exchange rate of "our" currency, i.e., an increase in the price of foreign currency, means a reduction in price, a weakening of "our" currency.

On the other hand, each percentage increase in the interest rate in "another" country compared to the interest rate in "our" country in the forecast period leads to a 0.6% depreciation of "our" currency in the same period and a corresponding appreciation of the foreign currency. .

Let us pay special attention to the conclusion obtained in the financial theory * and confirmed by the practice of countries with developed market economy. He ss| The point is that an increase in the interest rate in a country compared to other countries in a certain period (a year, a month) leads, ceteris paribus, to upward pressure, i.e., to an appreciation of the currencies of this country in the same period. However, we note that the same increase | can lead, on the contrary, to downward pressure, to a depreciation of this currency in the next period? + 1.

After the necessary explanations, we introduce some initial values ​​taken! into the factor model. Suppose that the actual value of the difference between | inflation rates in the two countries under consideration in period 1 amounted to! 1%. This means that the inflation rate in our country was higher. Let's do it! the same assumptions about the values ​​of the difference in interest rates obtained as a result of some calculations for the forecast period. These input values ​​| are given not by one number, but by a certain set of them, a distribution with an indication! we eat for each of them the probability of implementation. Relevant data are given in table. 9.4. |

Table 9.І Forecast values ​​of the difference in interest rates Forecast variant number Forecast value for the variant, % Probability of the implementation of the variant, % 1 -4 10 2 -5 60 3 -6 30 As can be seen from the table. 9.4, in all options, the interest rate in “our* country is lower than in “another”, but the possible difference is not the same. In addition, the probability of implementation of each of the options is not the same. We emphasize that this principle of presenting forecast information is quite common, and moreover, it corresponds to modern ideas about financial risk as an objectively existing uncertainty of future results and many other economic parameters.

The results of the exchange rate forecast will also be presented in three versions, which are shown in Table. 9.5.

As can be seen from Table. 9.5, both higher inflation and lower interest rates in "our" country lead to a weakening of "our" currency, which, depending on the possible size of the fall in interest rates, or, more precisely, on the predicted degree of their lagging behind the level of interest rates in "other" country, can be 3.7% with a probability of 60%,

Table 9.5

Forecast values ​​of the exchange rate Option number «„ + »L,., «А e, Probability of implementation of the variant, % 1 0.7 2.4 bl 10 2 0.7 3.0 3.7 60 3 0.7 3.6 4.3 30 and also 4.3% - with a probability of 30% and 3.1% - with a probability of 10%. Some average value can also be calculated ( expected value) exchange rate changes 3.1

x 0.10 + 3.7 x 0.60 + 4.3 x 0.30 = 3.82.

This value will take place when the average, mathematically expected forecast value of the gap in interest rates equal to 5.2% is realized.

Let us now turn to the consideration of the third approach in the field of forecasting the exchange rate, which is very different from the first two, since it uses a fundamentally different methodology and technique for forecasting calculations. This approach is based on the use of interest rate parity theory. The leading problem in its application to forecasting is the degree to which the forward rate matches the future spot rate. The fundamental possibility of coincidence or closeness of these courses sufficient for forecasting is determined by the following two circumstances.

The first is that the forward rate is a value derived from market expectations about the future current rate of banks and other firms that provide forward services. The specialists of these banks and firms have best knowledge relevant foreign exchange markets, since they are professionally worked on, and, in addition, are interested in minimizing the difference between the calculated forward rates and the spot rates that actually occur in the future, since this reduces the risk of providing forward services.

The second circumstance is that the convergence of forward and future current rates is ensured by the processes of market self-regulation. The latter is based on currency-percentage arbitrage: from a theoretical point of view, zero profitability of arbitrage operations can be achieved, which means the equilibrium state of the market segment under consideration. Of course, complete equilibrium or, as they say, the state of a perfect financial market is achievable only in the ideal. Nevertheless, the measure of achieving equilibrium determines the measure of justification for applying the method of forecasting the exchange rate based on market expectations.

Let us now turn to the problems of the practical use of the described methods, taking into account the real limitations that exist in the economic system.

In a number of countries, extensive studies have been carried out on the quality of forecasts obtained using different methods. Evaluating the results of these studies in an integrated manner, two main conclusions should be pointed out. First, none of the methods gives sufficiently accurate forecasts in the statistical sense. Almost always there is a statistically significant bias of the prognostic estimate in relation to the actual one. Second, the smallest bias in most studies was forecasting based on market expectations.

Singling out this method as giving on average the minimum forecast error, it must be emphasized that this does not negate the expediency of using other methods in certain circumstances. At brief periods forecasting (day, week), the method of technical forecasting becomes preferable, if only for the reason that on ryi! kah developed countries there simply are no representative quotes of interest rates for such short periods. With an increase in the duration of these periods (a year or more), macroeconomic factors of the movement of the exchange rate are manifested to a greater extent and, accordingly, the method of fundamental forecasting becomes more important.

It should also be borne in mind that for practical application the forecasting method based on market expectations must meet three fundamental conditions under which it works: 1) there are no sufficiently significant restrictions on the movement of money between the markets under consideration; 2) the vast majority of foreign exchange transactions are purely financial in nature and do not serve the processes of movement of goods or the provision of non-financial services; 3) commercial banks play a decisive role in the market, in any case, their total financial positions are not inferior to those of the central banks of those countries for whose markets this approach is applied. These conditions are met for countries with developed market economies, and this determines the fundamental possibility of forecasting based on this method.

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1 18 S.A. Poluyakhtov, V.A. Belkin S.A. Poluyakhtov, V.A. Belkin UDC Kondratieff cycles of the interest rate as the basis for predicting its dynamics Abstract. Based on extensive statistical material, the article proves the hypothesis that cyclical fluctuations in the bank interest rate on loans are determined by cycles of solar activity. On this basis, it is possible to predict the interest rate in the medium and long term, and, consequently, the future state of the global and Russian economies. summary. Extensive statistic material helped the authors to prove the hypothesis that cyclical fluctuations of the bank credit interest rate are determined by solar cycles. These facts make it possible to forecast an interest rate in a medium-term and long-term perspective and consequently to predict the future economic situation in the world and in Russia as well. Keywords. bank interest rate cyclicality, solar activity cycles, cyclical development of the economy, economic crisis forecasting, bank interest rate forecasting. key words. Cyclical fluctuations of the bank credit interest rate, solar cycles, cyclical development of economy, forecast of economic crisis, forecast ofbank interest rate. The global financial crisis again exposed the problem of inadequate forecasting of the main economic indicators and, consequently, an overly optimistic view of governments various countries on the future economic situation in the world. One of the reasons for this situation is the lack of forecasts for one of the most important economic indicators of the bank interest rate. In his article “On Interest Rate Forecasts”, S. Moiseev notes that “if abroad interest rates are well predictable even without central bank forecasts, then in Russia there is a lack of information about the future dynamics of the money market. Guessing interest rates is one of the most complex analyzes and, as a rule, estimates of future rates are not included in consensus forecasts and surveys of professional forecasters. Not being able to get percentage forecast from official sources, many economists decide to forecast it themselves. However, the forecasting methods available today are either too primitive or so time-consuming that they are inaccessible to most of them. Therefore, we propose to develop a method for forecasting interest, based on its relationship with solar activity cycles (hereinafter referred to as SA), which will give a more accurate forecast without any labor-intensive calculations, which will allow any economic entity to apply it. Bulletin of the Turkmen State University No. 11

2 Kondratieff cycles of the interest rate As a starting point, we accept the hypothesis of V.A. Belkin that “cyclical fluctuations of the main macroeconomic indicators, including such as the unemployment rate, inflation rate and average loan rate, the national currency exchange rate, the deficit (surplus) of the consolidated budget, are determined by cycles of solar activity” . To test this hypothesis for the period from 1947 to July 2010, we took average annual data on the Wolf numbers, which are proportional to the number of sunspots on the solar disk and characterize SA. For the same period, the prime rate was taken as the bank interest rate that affects the state of the world economy (the interest rate closest to the risk-free rate). Next, we built graphs of changes in these indicators over time (Fig. 1). As this chart shows, since 1968, the cycles of the prime rate have been largely determined by the cycles of the SA. Rice. Fig. 1. Dynamics of changes in the average annual Wolf numbers and the prime rate rate It is worth noting some features of the cyclical nature of the SA and the prime rate rate. Thus, the growth phase of SA lasts an average of 4 years, and the decline phase lasts 7 years, the total duration of the cycle is 11 years on average. That is, the SA cycle has a sharp rise and a smooth decline. At the same time, during the CA growth phase, there is also a growth phase of the bank interest rate, and when the CA cycle reaches its peak, the interest rate immediately or after 1 year also reaches its maximum value. During the CA decrease phase, the bank interest rate also decreases simultaneously. However, about one or two years before the next CA low, the bank interest rate reaches its next high. So far, we cannot accurately determine the reason for the repeated cycle of the bank rate within the SA cycle and can only make assumptions or hypotheses. ECONOMY

3 20 S.A. Poluyakhtov, V.A. Belkin To get rid of the influence of short-term fluctuations in the prime rate, we calculated the average values ​​of the analyzed indicators over the years at the inflection points of the SA cycle curve and plotted the corresponding graphs (Fig. 2). It can be seen from this diagram that the 11-year cycles of the SA sufficiently coincide with the cycles of the bank interest rate (the correlation coefficient is 79%), which coincide with the cycles of C. Juglar. That is, the growth of SA leads to an increase in the prime rate and, as a result, at the maximum points to an economic crisis. Thus, it is the cyclical activity of the sun that is the key factor determining the change in the bank interest rate. Also, the revealed relationship reveals true reason the cyclicity of this indicator and the development of the world economy as a whole. Let's show that such rates as LIBOR, EURIBOR change almost synchronously with the prime rate. Thus, we will prove that SA cycles determine the dynamics of bank interest around the world, and not just in the United States. Rice. Fig. 2. Dynamics of changes in the average annual Wolf numbers and the prime rate at the inflection points (extremums) of the solar activity curve To study the relationship between prime rates and LIBOR, we chose the LIBOR rate for loans up to one year. The values ​​for it were taken from the economic statistics website MORTGAGE-X. Below is a diagram that clearly shows the dynamics of synchronous changes in the average annual prime rate and LIBOR rates (for up to one year) (Fig. 3). Bulletin of the Turkmen State University No. 11

4 Kondratieff cycles of the interest rate Fig. 3. Changes in the average annual prime rate and LIBOR rates (for up to one year) To investigate the relationship between the prime rate and EURIBOR, the EURIBOR rate for loans up to one year was chosen. The values ​​for it were taken from the ItIsTimed website. Next, we built a diagram that clearly shows the dynamics of a highly synchronous change in the average annual prime rate and EURIBOR rates (for a period of up to one year) (Fig. 4). In the years the EURIBOR rate changed synchronously with the prime rate, but with a time delay (lag) of about 1 year. Rice. 4. Dynamics of changes in the average annual prime rate and EURIBOR rates (for a period of up to one year) ECONOMICS

5 22 S.A. Poluyakhtov, V.A. Belkin The presented diagrams clearly and convincingly prove the high degree of synchronization of changes in the main international interest rates LIBOR and EURIBOR and the prime rate. Thus, the relationship between SA and the prime rate that we have proven can be extended to other interest rates, in particular, LIBOR and EURIBOR. Based on the result obtained, as well as the forecast of the 24th SA cycle (Fig. 5), it is possible to develop a forecast for the value of the prime rate. The next peak of CA is expected in 2013, and, therefore, we can expect an increase in the prime rate until 2013, and in 2013. we predict another maximum of this rate and the subsequent global financial crisis. Of course, the actual activity of the Sun in the 24th cycle may differ from the predicted one, since these cycles vary somewhat in duration (9-11 years). In this case, there will be some corresponding shift in time of the indicated date of the next prime rate high and the global economic crisis. Rice. 5. Forecast of the 24th cycle of solar activity Figure 5 shows that the next SA minimum should occur around 2020. Consequently, around 2018 there will be another increase in interest rates, and then in 2019 and 2020. a slowdown in US real GDP growth or an economic crisis. In order to give a more accurate forecast of the value of the prime rate in 2013, let's turn to N. Kondratiev's theory of waves, on the basis of which 5 economic cycles are identified, about a year long: Bulletin of the Turkmen State University Heritage No. 11

6 Kondratieff cycles of interest rates cycle from 1790 to 2 cycle from to years. 3 cycle from to years. 4 cycle from to years. Cycle 5 with Kondratiev cycles are subject to all major macroeconomic indicators, including the bank prime rate interest rate. At the same time, at the end of the cycle, the rate reaches its maximum value. To confirm our hypothesis, let us analyze the diagram shown in Fig. 1. It shows that the penultimate minimum of economic indicators of the world economy was in 1982 and was accompanied by a maximum of the bank interest rate, which we propose to call the Kondratiev maximum of the prime rate (K-rate). Before the K-rate, there was an increase in the prime rate, after a decrease. We propose to call these cycles large prime rate cycles. According to research by Japanese scientist Shimanaka Yuji, confirmed by the Japan Economic Research Center (JERC) and published in The Wall Street Journal of 1999, one Kondratieff cycle equals five SA cycles, or 55 years. Based on this theory and the fact that two SA cycles took place between 1982 and 2010, it can be assumed that 2010 is the inflection point of the large prime rate cycle and will continue to grow. Consequently, the local maximum prime rate in 2013 will be higher than the local maximum of this indicator in 2009 and will be approximately at the level of the local maximum of 2000. Thus, the prime rate in 2013 will reach its intermediate next maximum in the medium term at the level of 8-9%, which with a high degree of probability will lead to another global financial crisis (Fig. 6). Rice. 6. Kondratieff cycle of the prime rate and its forecast until 2020 ECONOMICS

7 24 S.A. Poluyakhtov, V.A. Belkin Similarly, the local maximum of the prime rate in 2018 will be higher than the local maximum of this indicator in 2013, but lower than the local maximum of this indicator in 1989, that is, its value will be approximately at the level of 10% (Fig. 6 ). Based on the fact that changes in the prime rate are in sync with changes in LIBOR and EURIBOR interest rates, we can expect a corresponding increase in these rates to 6% and 5%, respectively, in 2013 and LIBOR at 8.5% in 2018. Since 2003, due to the globalization of the world economy and the high involvement of the Russian economy in it, there has been a synchronization of US GDP and Russian GDP with a higher volatility of Russian GDP. Consequently, a change in the prime rate inevitably leads to a similar change in the Russian bank interest rate on loans, so by 2013 in Russia the bank interest rate on loans issued to legal entities for a period of up to 1 year will also grow to the level of 2000 and will be 18 -20% per annum. Solar activity peaks will continue to lead to an increase in the Russian bank interest rate on loans and, accordingly, to another financial crisis. The result obtained is extremely important not only for government officials, but also for the entire economically active population, since on its basis it is possible to make long-term investment decisions and objectively assess the future development of the country's economy. As an explanation of the reason for the revealed connection, one can cite the studies of the great Russian scientist A. Chizhevsky, who argued that psychopathic epidemics, panic moods, mass hysteria, hallucinations, etc., as well as modification of the nervous excitability of the neuropsychic tone are closely related to SA cycles. Cyclical fluctuations of the above pessimism and optimism lead to cyclical fluctuations in the value of the risk payment, which is taken into account in the interest rate, and to its cyclical fluctuations. So, as a result of this study: A high degree of connection between SA cycles and the bank interest rate was revealed using the prime rate as an example; It is proposed to introduce into scientific circulation the concepts of the Kondratieff cycle of the bank rate (on the example of the prime rate) and the Kondratieff maximum (minimum) of this rate; A medium- and long-term forecast of the next highs in the prime rate and global financial crises has been developed; A high degree of synchronism in the dynamics of prime rate, LIBOR, EURIBOR rates is shown; A medium-term forecast has been developed for the next highs in LIBOR, EURIBOR rates and the Russian interest rate on loans in 2013. Bulletin of the Turkmen State University No. 11

8 Kondratieff cycles of the interest rate References 1. Moiseev S. “On the forecast of the interest rate” URL: post/124329/ 2. Belkin V. A. Relationship between cycles of solar activity and cycles of main macroeconomic indicators // Social and economic development of Russia in the post-crisis period : national, regional and corporate aspects: Sat. m-catching 27 intl. scientific-practical. conferences Part 1, Chelyabinsk: UrSEI AT and SO, C; 3. Statistical data of the Center for Data Analysis on the Influence of the Sun (Belgium) URL: 4. Data from the economic statistics website MORTGAGE-X URL: com 5. Data from the ItIsTimed website URL: php 6. NASA research data URL: solnechnyiy-prognoz/ 7. Korotaev A. V., Tsirel S. V. Kondratieff waves in world economic dynamics / System monitoring. Global and regional development / Ed. ed. D. A. Khalturina, A. V. Korotaev. M.: Librokom/URSS, C URL: cliodynamics.ru/download/m02korotayev_tsirel_kondratyevskie_volny.pdf 8. The Union of Intelligible Associations // Configuring: Transformative policy cycles (9. Chizhevsky A. L. Earth echo of solar storms. 2nd ed. M.: Thought, pp. EKO N O M I K A


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  • Specialty HAC RF08.00.13
  • Number of pages 149
Thesis Add to Basket 500p

INTRODUCTION

CHAPTER 1. PORTFOLIO INVESTING. MODERN VIEW AND PROBLEMS.

Paragraph 1.1. Investors and their goals. Investment institutions and interest rates.

1.1.1. investment goals. Subjects of investment activity.

1.1.2. Stages of investment activity.

Section 1.2. An overview of fixed income securities.

1.2.1. Classification of securities.

1.2.2. Securities that make up the term structure of interest rates.

Section 1.3. Overview of Fixed Income Portfolio Management Strategies. Interest rate shifts. Immunization strategies.

1.3.1. Portfolio structuring strategies.

1.3.2. Classification of asset management strategies.

1.3.3. Types of shifts in the temporary structure of interest rates.

1.3.4. Problems of non-parallel displacements. Accepted solutions to the problem.

Section 1.4. Methods of analysis and forecasting of financial markets. Toolkit for forecasting financial markets.

1.4.1. Types of analysis of financial markets.

1.4.2. Choosing the type of analysis for solving the problem of predicting the types of shifts in the yield curve.

1.4.3. Used models of the term structure of interest rates.

1.4.4. Forecasting financial markets based on the use of rule induction methods and neural networks.

1.4.5. Systems based on rule induction methods.

1.4.6. Neural networks.

1.4.7. Features of forecasting financial markets using neural networks.

1.4.8. Selected forecasting tools.

Section 1.5. Factors that determine the term structure of interest rates.

1.5.1. Economic and non-economic factors affecting the change in the term structure of interest rates.

1.5.2. The slope of the yield curve. Frankel model.

CHAPTER 2. DEVELOPMENT OF METHODS FOR MANAGING A PORTFOLIO OF SECURITIES WITH FIXED INCOME.

Paragraph 2.1. General principles for constructing neural networks in solving the problem of predicting the level of interest rate and non-parallel bias.

Section 2.2. Modeling the relationship between the main fundamental factors and the level of interest rates.

Section 2.3. Modeling the structure of interest rates.

Section 2.4. Development of a methodology for immunizing a portfolio of securities with a fixed income.

Section 2.5. Prediction of non-parallel displacements.

CHAPTER 3. DEVELOPMENT OF THE AUTOMATED WORKPLACE OF THE BONDS PORTFOLIO MANAGER.

Paragraph 3.1. ARM concept. Objectives of the development of AWP.

Section 3.2. Technological architecture of the workstation.

Section 3.3. Functional structure of the workstation.

3.3.1. Block for determining investment goals.

3.3.2. Block for preparing information on the state of markets and the history of macroeconomic indicators.

3.3.3. Block for analyzing data on the state of markets and forecasting markets.

3.3.4. Block of analysis of the current portfolio structure, choice of investment strategy and determination of the detailed structure of the investment portfolio.

3.3.5. Portfolio Management Activity Evaluation Block.

Section 3.4. Technical and software component of AWP.

Section 3.5. Neural network as a component of the automated workplace.

Section 3.6. Basic rules and procedures. Information Support.

3.6.1. Regulations for determining the system of investment goals.

3.6.2. Regulations for determining the system of restrictions for the client/company.

3.6.3. Regulations for determining the system of legislative restrictions on asset management.

3.6.4. Regulations for determining the system of infrastructural restrictions.

3.6.5. Regulations for information and analytical support. external information.

3.6.6. Regulations information support. Information about the portfolio structure.

3.6.7. Regulations for the development and maintenance of technologies.

3.6.8. Regulations for the formation of an investment strategy and the definition of a detailed portfolio structure.

3.6.9. Rules for assessing portfolio management activities.

Section 3.7. Evaluation of the effectiveness of the functioning of the automated workplace.

Introduction to the thesis (part of the abstract) on the topic "Models and methods for predicting interest rates in the informatization of securities management"

Effective capital management is the most important task of enterprises and individuals. The state occupies a significant place in the system of regulation, control, and increasing the efficiency of asset management activities. In particular, increasing the level of social protection of the population is one of the priorities any state. Reformation existing system pension provision, the creation of a system of non-state pension provision for this purpose is designed to solve this problem in terms of improving the social protection of pensioners. This approach dominates due to objectively more effective work non-state enterprises.

The most important task of non-state pension funds, in turn, is to increase the efficiency of asset management in order to achieve maximum profitability with an acceptable level of risk on the funds invested by fund investors. Since these goals are achieved using technologies for obtaining fixed income, the tasks of creating, implementing and improving the efficiency of technologies for managing fixed income securities are of the greatest importance.

Due to the still short history of the Russian financial market, on the one hand, and the extensive experience accumulated by Western financial institutions, on the other hand, the greatest success in asset management is achieved by those financial managers who rationally use this experience, transferring Western asset management technologies to Russia, but at the same time take into account the peculiarities of the Russian economy, mentality, etc.

The most important features of the Russian financial market, observed over the past five years of its operation, include: a short history;

High exposure to the influence of external factors (the main of which is the movement of foreign capital);

A high degree of influence of non-formalizable and poorly predictable factors;

High variability of the legislative framework.

These features determine some of the problems of analysis and forecasting of financial markets in the Russian Federation. A short history does not allow adequate generalization and analysis of the space of events; an illiquid market allows one large operator to randomly significantly influence price levels; the variability of legislation is poorly predictable and often does not correlate with economic realities.

Therefore, the use of most methods for analyzing and forecasting securities markets, including fixed income securities markets, is practically impossible. On illiquid and weakly liquid markets, which was before 1997 and in 1998-1999 the Russian fixed income securities market, for the purposes of medium-term forecasting it is impossible to apply either classical technical analysis or classical fundamental factor analysis due to the influence of the available unpredictable or weak predictable factors. The accuracy of the medium-term interest rate forecast (for a period of more than 1 month) when forecasting using the most modern technology based on the use of neural networks is less than 60%, which is an unsatisfactory indicator.

Understanding and accepting all the above problems inherent in the Russian financial market, the Russian government is gradually legally liberalizing the activities of domestic financial institutions. An example of this is the permission for non-state pension funds to place assets in highly reliable instruments of Western financial markets.

Therefore, the analysis of existing asset management technologies in Western financial markets, the identification of their shortcomings, the modification of these technologies in order to improve the accuracy of the forecast for further application in Western money markets and capital markets, as well as adaptation to Russian conditions with an improvement in the investment climate, is the most urgent modern task of financial management. in Russia.

Despite the variety of technologies developed over the centuries-old history of Western financial markets, the development of methods and theories of portfolio management is currently continuing. A particularly powerful impetus to the development and improvement of portfolio management technologies was given by a breakthrough in the field of information technology. It became possible to factor analyze large amounts of data based on the use of the latest technologies collection, storage and rapid processing of data; the emergence of tools such as neural networks made it possible to identify non-obvious patterns in the economy. It can be noted that at the moment the development of asset management technologies significantly depends on the level of information technology development. Therefore, like the process of improving information technology, the process of developing new asset management technologies can be called continuous.

The need to improve existing investment technologies, models and forecasting methods in modern conditions and determined the topic of the research conducted in the work.

The aim of the study is to develop models and methods for forecasting interest rates and their application in managing a portfolio of securities.

The objectives of developing the workstation of a bond portfolio manager are:

Improving the efficiency of managing portfolios of fixed income securities;

Increasing the competitiveness of the company/fund;

Formation of a tree of possible decisions for a bond portfolio manager based on the analysis of all types of investment strategies;

Evaluation of the effectiveness of implementation and the ability to compare various investment strategies, including classic and latest;

Improving the qualifications of asset portfolio managers.

The objectives of the study in accordance with the goal are:

Research into the nature of investment objectives of financial institutions and individuals;

Researching the types of fixed income securities, building a classification of fixed income securities;

Research and classification of investment strategies for managing a portfolio of securities;

Definition of accepted methods of analysis and forecast of financial markets;

Identification of the factors that affect the dynamics of interest rates to the greatest extent, determination of the significance of these factors based on the use of neural network technologies;

Modeling interest rate structures;

Building a model for the dependence of interest rates on significant factors based on the use of neural network technologies;

Identification of risks associated with the use of fixed income securities management technologies;

Development of methods for reducing the risks of using fixed income securities management technologies;

Development and implementation of an automated workplace (AWP) for a bond portfolio manager;

Evaluation of the effectiveness of the established system for managing a portfolio of fixed income securities.

The object of the study is the market for fixed income securities issued in US dollars. The paper examines the dynamics of the yield curve for US Treasury obligations (tickets, bills and bonds of the US Treasury). The subject of the study is the task effective management portfolio of fixed income securities.

For scientific research methods used in the work statistical analysis, empirical research, numerical optimization, methods of the theory of neural networks, methods for solving minimax problems.

1. Technologies for predicting interest rate levels by determining functional dependencies between key macroeconomic factors, their average past values ​​and investors' expectations regarding interest rate levels using neural network tools;

2. Technologies for analyzing the significance of factors for predicting interest rates using linear single-layer neural networks;

3. Technologies for predicting the type of shift (parallel or non-parallel) of the yield curve using a multifactorial model of the dependence of the type of shift on macroeconomic indicators (Frankel) and using neural network tools;

4. A method for determining whether portfolio immunization strategies can be used using the portfolio immunization criterion; development of portfolio immunization criteria;

5. Technologies for determining the structure of the immunized portfolio during immunization for any period.

Practical value The work consists in the fact that the developed apparatus for solving the problems of managing a portfolio of fixed income securities is used in practice by the NPF management company to predict one of the main factors affecting the Russian securities market - the interest rate on US Treasury bonds. The developed technologies can be used when the legislation on currency control is finally changed, after which it will be possible for Russian funds to operate on international capital markets. These technologies can also be adapted to the Russian financial market after the Russian Federation is assigned an investment rating by leading Western rating agencies, which will mean the arrival of new investors and capital and the stabilization of the Russian financial market.

It should be noted that the results obtained in the work can be used not only by non-state pension funds, but also by insurance companies, investment companies, commercial banks, and private investors for the purpose of managing fixed income securities portfolios.

Dissertation conclusion on the topic "Mathematical and instrumental methods of economics", Shkrapkin, Alexey Vadimovich

Conclusion.

The dissertation developed effective information Technology portfolio management with fixed income. Efficiency has been proven through testing on real market data.

In accordance with the goals of the study, the following tasks were solved:

A study was made of the nature of the investment goals of investment institutions and individuals; identified types of investment goals depending on the different types of investors.

The study of types of securities with fixed income was carried out, the classification of securities with fixed income was built; the securities that are the object of research are identified;

The existing classification of investment strategies for managing a portfolio of securities has been studied;

The accepted methods of analysis and forecasting of financial markets have been identified and investigated;

The risks associated with the use of fixed income securities management technologies have been identified;

The factors that have the greatest influence on the dynamics of interest rates have been identified, and the significance of these factors has been analyzed based on the use of neural network technologies;

The existing models of temporary structures of interest rates are determined; one of the existing models was supplemented, as a result of which the approximation accuracy increased;

A model of the dependence of interest rates on significant factors has been built based on the use of neural network technologies;

Techniques have been developed to reduce the risks of applying fixed income securities management technologies based on the use of modified immunization strategies with protection against tilt shift;

The development and implementation of an automated workplace (AWP) for a bond portfolio manager was carried out;

Estimations of economic efficiency of work of the created system of management of a portfolio of securities with the fixed income are carried out.

The results obtained allow us to conclude that another step has been taken in improving and developing technologies for managing a portfolio of fixed income assets. The developed technologies will allow portfolio managers of the Company using these technologies to improve the efficiency of asset management.

List of references for dissertation research Candidate of Economic Sciences Shkrapkin, Alexey Vadimovich, 2000

1. Sharp W.F., Alexander G.J., Bailey J.W. Investments M. Infra-M, 1997.- 1024 p.

2. Frank J. Fabozzi Bond markets, analysis and strategies Prentice Hall, 1996.595 p.

3. Frank J. Fabozzi, Franco Modigliani, Capital Markets: Institutions and instruments - Prentice Hall, 1992

4. Frank J. Fabozzi Bond markets, analysis and participants Prentice Hall, 1994

5. F.M. Reddington Review of the principle of life office valuation Journal of institute of actuaries, 1952

6.G.O. Bierwag, George K. Kaufman, Alden Toevs Immunization strategies for funding multiple liabilities Journal of financial and quantitative analysis, 1983

7. Fong and Vasicek A risk minimizing strategy for multiple liability immunization -Journal of portfolio management, Spring 1987

8. Frank J. Jones Yield curve strategies Journal of fixed income, 1 - 1991

9. Robert R. Reitano A multivariate approach to immunization theory Acturial research clearing house, 1990

10. Robert R. Reitano Non-parallel yield curve shifts and immunization Journal of portfolio management, Spring 1992

11. J.A. Frankel Financial markets and monetary policy, MIT Press, Cambridge, 1995

12. I.T.Nabney P.G.Jenkins Rule induction in finance and marketing Conference on data mining in finance and marketing, 1992

13. G. Cybenko Approximation by superposition of a sigmoidal function Math. Control, signals and systems, 1989

14. C.Dunis Forecasting financial markets John Wiley "& Sons, 1997

15.J.M. Keynes The general theory of employment, interest and money Macmillan, London, 1936

16. W.Phoa Advanced fixed income analytics FJF, 1998

17. Gorban A.N. Training of neural networks. Moscow. SP Para. 1990. - 160 p.18.2nd All-Russian Scientific and Technical Conference "Neuroinformatics-2000". Collection of scientific papers. In 2 parts. M.: MEPhI, 2000. 284 p.

18. N. Anderson, F. Breedon Estimating and interpreting the yield curve Wiley, 1997 220 pp.

19. J. W. Smith, E. V. Kuznetsova, Financial management of the company Legal culture, 1995 383 p.

20. D.-E. Bastens, V.-M. Van den berg, D.Wood Neural networks and financial markets, Financial and insurance mathematics 1997 236 p.

21. Vasicek and Beyond Approaches to building and applying interest rate models -Financial Engineering ltd., 1996 367c.

22. G. O. Bierwag, Duration Analysis: Managing interest rate risk. Cambridge, MA: Ballinger Publishing Company, 1987

23.G.C. Kaufman Measuring and Managing Interest Rate Risk: A Primer. Economic Perspective, Federal Reserve Bank of Chicago 1-2 1984

24. R. Litterman, J. Scheinkman Common factors affecting bond returns, Journal of fixed income, 6-1991

25.R.E. Dattatreya, F.J. Fabozzi Active total return management of fixed income portfolios, Probus Publishing, 1989

26. F. Modigliani, R. J. Shiller, Inflation, rational expectations and the term structure of interest rates, Econometrica, 1973

27. T.E. Messmore The duration of surplus. Journal of portfolio management, Winter 1990

28. F. J. Fabozzi Investment Management, Infra-M, 2000

29. K. J. Cohen, R. L. Kramer, W. H. Waugh Regression yield curves for US government securities, Management science, 14, 1966

30. W.T. Carleton, I.A. Cooper, Estimation and uses of the term structure of interest rates, Journal of finance, 4, 1976

31. De Boor, A practical guide to splines, Springer-Verlag, New York 1978

32. D.I. Meiselman The term structure of interest rates, Prentice hall, 1962

33. G.S. Shea, Interest rate term structure estimation with exponential splines: a note, Journal of finance, 1, 1985

34. A. Buhler, H. Zimmermann A statistical analysis of the term structure of interest rates in Switzerland and Germany. Journal of fixed income 12-1996.

35. A. Beja State preference and the riskless interest rate: a Markov model of capital markets. Review of economic studies 46, 1979

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Please note that the scientific texts presented above are posted for review and obtained through recognition original texts dissertations (OCR). In this connection, they may contain errors related to the imperfection of recognition algorithms. IN PDF files dissertations and abstracts that we deliver, there are no such errors.

In order to predict the further dynamics of the currency pair, a huge number of methods have been developed. However, the quantity has not turned into quality, and getting a fairly effective forecast is not an easy task. Let's consider the four most common methods for forecasting the rates of currency pairs.

Purchasing power parity (PPP) theory

Purchasing power parity (PPP) is perhaps the most popular method. It is mentioned more often than others in textbooks on economics. PPP theory is based on the principle of the "law of one price", which states that the cost of identical goods in different countries should be the same.

For example, the price of a cabinet in Canada must be the same as the price of the same cabinet in the United States, taking into account the exchange rate and excluding transport and exchange costs. That is, there should be no reason for speculation to buy cheaply in one country and sell more expensively in another.

According to PPP theory, changes in the exchange rate should compensate. For example, in the current year, prices in the US should increase by 4%, in Canada over the same period - by 2%. Thus, the inflation differential is: 4% - 2% = 2%.

Accordingly, prices in the US will rise faster than in Canada. According to PPP theory, the US dollar must lose about 2% in value in order for the price of the same commodity in two countries to remain approximately the same. For example, if the exchange rate was 1 CAD = 0.9 USD, then according to PPP theory, the predicted rate is calculated as follows:

(1 + 0.02) x ($0.90/CAD) = $0.918/CAD

That is, to comply with PPP, the Canadian dollar must rise in price to 91.8 US cents.

The most common example of using the PPP principle is the Big Mac index, which is based on comparing its price in different countries, and which shows the level of undervaluation and overvaluation of the currency.

The principle of relative economic stability

The method of this hike is described in the title itself. The growth rates of the economies of different countries are taken as a basis, which make it possible to predict the dynamics of the exchange rate. It is logical to assume that stable economic growth and a healthy business climate will attract more foreign investment. For investment, it is necessary to purchase the national currency, which, accordingly, leads to an increase in demand for the national currency and its subsequent strengthening.

This method is suitable not only when comparing the state of the economy of two countries. It can be used to form an opinion on the presence and intensity of investment flows. For example, investors are attracted by higher interest rates, which allow them to get the maximum return on their investments. Accordingly, the demand for the national currency is growing again and it is strengthening.

Low interest rates can reduce the flow of foreign investment and stimulate domestic lending. This is the case in Japan, where interest rates have been cut to record lows. There is a trading strategy based on the difference in interest rates.

The difference between the principle of relative economic stability from the theory of PPP is that with its help it is impossible to make a forecast of the size of the exchange rate. It gives the investor only general idea about the prospects for strengthening or weakening of the currency and the strength of the momentum. To get more complete picture, the principle of relative economic stability is combined with other forecasting methods.

Building an econometric model

A very popular method for forecasting exchange rates is the method of creating models that describe the relationship of the exchange rate with factors that, in the opinion of an investor or trader, affect its movement. When compiling an econometric model, as a rule, values ​​from economic theory are used, however, any other variables that have a significant impact on the exchange rate can be used in the calculations.

Take, for example, making a forecast for the coming year for the USD/CAD pair. We choose the key factors for the dynamics of the pair: the difference (differential) in interest rates of the USA and Canada (INT), the difference in and the difference between the growth rates of personal incomes of the population of the USA and Canada (IGR). The econometric model in this case will look like this:

USD/CAD (1 year) = z + a(INT) + b(GDP) + c(IGR)

The coefficients a, b and c can be both negative and positive and show how strong the influence of the corresponding factor is. It should be noted that the method is rather complicated, however, if there is a ready-made model, it is enough to simply substitute new data to obtain a forecast.

Time series analysis

The method of time series analysis is purely technical and does not take economic theory into account. The most popular model in time series analysis is the Autoregressive Moving Average (ARMA) model. The method is based on the principle of forecasting price models of a currency pair based on past dynamics. The calculation is carried out by a special computer program based on the entered parameters of the time series, the result of which is the creation of an individual price model for a particular currency pair.

Undoubtedly, forecasting exchange rates is an extremely difficult task. Many investors simply prefer to insure currency risks. Other investors are aware of the importance of forecasting exchange rates and seek to understand the factors that affect them. The above methods can be a good help for such market participants.

To model interest rate levels in statistics, various types of equations are used, including polynomials of various degrees, exponents, logical curves, and other types of functions.

When modeling the levels of interest rates, the main task is to select the type of functions that most accurately describes the development trend of the indicator under study. The mechanism for determining the function is similar to choosing the type of equation when building trend models. In practice, the following rules are used to solve this problem.

1) If the series of dynamics tends to monotonously increase or decrease, then it is advisable to use the following functions: linear, parabolic, power, exponential, hyperbolic, or a combination of these types.

2) If the series tends to rapidly develop the indicator at the beginning of the period and decline towards the end of the period, then it is advisable to use logistic curves.

3) If the series of dynamics is characterized by the presence of extreme values, then it is advisable to choose one of the variants of the Gompertz curve as a model.

In the process of modeling interest rate levels great importance is given to careful selection of the type of analytic function. This is explained by the fact that the exact characteristics of the patterns of development of the indicator identified in the past determine the reliability of the forecast of its development in the future.

The theoretical basis of the statistical methods used in forecasting is the property of inertia of indicators, which is based on the assumption that the pattern of development that exists in the past will continue in the predicted future. The main statistical forecasting method is data extrapolation. There are two types of extrapolation: prospective, carried out in the future, and retrospective, carried out in the past.

Extrapolation should be evaluated as the first step in making final forecasts. When applying it, it is necessary to take into account all known factors and hypotheses regarding the studied indicator. In addition, it should be taken into account that the shorter the extrapolation period, the more accurate the forecast can be obtained.

In general, extrapolation can be described by the following function:

y i + T = ƒ (y i , T, a n), (26)

where y i + T is the predicted level;

y i is the current level of the predicted series;

T is the period of extrapolation;

and n is the trend equation parameter.

Example 3´´. Based on the data of Example 3, we will extrapolate to the first half of 2001. The trend equation is as follows: y^ t =10.1-1.04t.

y 8 \u003d 10.1-1.04 * 8 \u003d 1.78;

y 9 \u003d 10.1-1.04 * 9 \u003d 0.78.

As a result of data extrapolation, we get point values ​​of the forecast. The coincidence of the actual data of future periods and the data obtained by extrapolation is unlikely for the following reasons: the function used in forecasting is not the only one for describing the development of the phenomenon; the forecast is carried out using a limited information base, and the random components inherent in the levels of the initial data influenced the result of the forecast; unforeseen events in the political and economic life of society in the future can significantly change the predicted trend in the development of the indicator under study.

Due to the fact that any forecast is relative and approximate, when extrapolating the levels of interest rates, it is advisable to determine the boundaries of the confidence intervals of the forecast for each value y i + T . The boundaries of the confidence interval will show the amplitude of fluctuations in the actual data of the future period from the predicted ones. In general, the boundaries of confidence intervals can be determined by the following formula:

y t ±t α *σ yt , (27)

where y t is the predicted value of the level;

t α is a confidence value determined on the basis of Student's t-test;

σ yt is the standard error of the trend.

In addition to extrapolation based on the alignment of the series by the analytical function, the forecast can be carried out by extrapolation based on the average absolute growth and the average growth rate.

The use of the first method is based on the assumption that The general trend development of interest rate levels is expressed as a linear function, i.e. there is a uniform change in the index. To determine the predicted level of loan interest for any date t, one should calculate the average absolute increase and sequentially sum it up by the last level of the dynamics series as many times as the number of time periods the series is extrapolated to.

y i + T = y i + ∆¯*t, (28)

where i is the last level of the period under study, for which ∆¯ was calculated;

t is the forecast period;

∆¯ - average absolute increase.

The second method is used if it is assumed that the general development trend is determined by an exponential function. Forecasting is carried out by calculating the average growth factor raised to a power equal to the period of extrapolation.



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