"Frontmatter". In: Analysis of Financial Time Series

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20 FINANCIAL TIME SERIES AND THEIR CHARACTERISTICS• Compute the sample mean, variance, skewness, excess kurtosis, minimum, andmaximum of the daily log returns.• Transform the log returns into simple returns. Compute the sample mean, variance,skewness, excess kurtosis, and minimum and maximum of the daily simplereturns.• Are the sample means of log returns statistically different from zero? Use the5% significance level to draw your conclusion and discuss their practical implications.2. Consider the monthly stock returns of Alcoa (aa), General Motors (gm), Walt Disney(dis), and Hershey Foods (hsy) from January 1962 to December 1999 for 456observations and those of American Express (axp) and Mellon Financial Corporation(mel) from January 1973 to December 1999 for 324 observations. Again,you may obtain the data directly from CRSP or from the files on the Web. Ticksymbols and years involved are used to create file names (e.g., “m-mel7399.dat”contains the monthly log returns, in percentage, of Mellon Financial Corporationstock from January 1973 to December 1999).• Compute the sample mean, variance, skewness, excess kurtosis, and minimumand maximum of the monthly log returns.• Transform the log returns into simple returns. Compute the sample mean, variance,skewness, excess kurtosis, and minimum and maximum of the monthlysimple returns.• Are the sample means of log returns statistically different from zero? Use the5% significance level to draw your conclusion and discuss their practical implications.3. Focus on the monthly stock returns of Alcoa from 1962 to 1999.• What is the average annual log return over the data span?• What is the annualized (average) simple return over the data span?• Consider an investment that invested one dollar on the Alcoa stock at the beginningof 1962. What was the value of the investment at the end of 1999? Assumethat there were no transaction costs.4. Repeat the same analysis as the prior problem for the monthly stock returns ofAmerican Express.5. Obtain the histograms of daily simple and log returns of American Express stockfrom January 1990 to December 1999. Compare them with normal distributionsthat have the same mean and standard deviation.6. Daily foreign exchange rates can be obtained from the Federal Reserve Bank ofChicago. The data are the noon buying rates in New York City certified by the
REFERENCES 21Federal Reserve Bank of New York. Consider the exchange rates of CanadianDollar, German Mark, United Kingdom Pound, Japanese Yen, and French Francversus the U.S. Dollar from January 1994 to February 2001. The exchange valuesare payable in foreign currencies, except for U.K. Pound which is in U.S. Dollars.The data are also available in the file “forex-c.dat.”• Compute the daily log returns of the five exchange rate series.• Compute the sample mean, variance, skewness, excess kurtosis, and minimumand maximum of the five log return series.• Discuss the empirical characteristics of these exchange rate series.REFERENCESCampbell, J. Y., Lo, A. W., and MacKinlay, A. C. (1997), The Econometrics of FinancialMarkets, Princeton University Press: New Jersey.Cox, J. C., and Rubinstein, M. (1985), Optoins Markets, Prentice-Hall: Englewood Cliffs,New Jersey.Sharpe, W. (1964), “Capital Asset Prices: A Theory of Market Equilibrium under Conditionsof Risk,” Journal of Finance, 19, 425–442.Snedecor, G. W., and Cochran, W. G. (1980), Statistical Methods, 7th edition, Iowa StateUniversity Press: Ames, Iowa.
Page 1 and 2: Analysis of FinancialTime SeriesFin
Page 3 and 4: ContentsPrefacexi1. Financial Time
Page 5 and 6: CONTENTSix6.6 Black-Scholes Pricing
Page 7 and 8: PrefaceThis book grew out of an MBA
Page 9 and 10: Analysis of Financial Time Series.
Page 11 and 12: ASSET RETURNS 3Multiperiod Simple R
Page 13 and 14: ASSET RETURNS 5r t [k] =ln(1 + R t
Page 15 and 16: DISTRIBUTIONAL PROPERTIES OF RETURN
Page 18 and 19: 10 FINANCIAL TIME SERIES AND THEIR
Page 26: 18 FINANCIAL TIME SERIES AND THEIR
Page 31 and 32: CORRELATION AND AUTOCORRELATION FUN
Page 33 and 34: CORRELATION AND AUTOCORRELATION FUN
Page 35 and 36: WHITE NOISE AND LINEAR TIME SERIES
Page 37 and 38: SIMPLE AUTOREGRESSIVE MODELS 29whic
Page 39 and 40: SIMPLE AUTOREGRESSIVE MODELS 31wher
Page 41 and 42: SIMPLE AUTOREGRESSIVE MODELS 33wher
Page 43 and 44: SIMPLE AUTOREGRESSIVE MODELS 35expa
Page 45 and 46: SIMPLE AUTOREGRESSIVE MODELS 37Tabl
Page 47 and 48: SIMPLE AUTOREGRESSIVE MODELS 39Mode
Page 49 and 50: SIMPLE AUTOREGRESSIVE MODELS 41The
Page 51 and 52: SIMPLE MOVING-AVERAGE MODELS 43wher
Page 53 and 54: SIMPLE MOVING-AVERAGE MODELS 45s-rt
Page 55 and 56: SIMPLE MOVING-AVERAGE MODELS 47The
Page 57 and 58: SIMPLE ARMA MODELS 49A time series
Page 59 and 60: SIMPLE ARMA MODELS 51operator, the
Page 61 and 62: SIMPLE ARMA MODELS 53Table 2.5. Sam
Page 63 and 64: SIMPLE ARMA MODELS 55This represent
Page 65 and 66: UNIT-ROOT NONSTATIONARITY 57ˆp h (
Page 67 and 68: UNIT-ROOT NONSTATIONARITY 59log-pri
Page 69 and 70: SEASONAL MODELS 61which is commonly
Page 71 and 72: SEASONAL MODELS 63Series : xSeries
Page 73 and 74: SEASONAL MODELS 65models use the sa
Page 75 and 76: • ••• •••••••
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REGRESSION MODELS WITH TIME SERIES
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REGRESSION MODELS WITH TIME SERIES
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LONG-MEMORY MODELS 73=(k − d −
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APPENDIX A: SOME SCA COMMANDS 75est
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EXERCISES 77relation. Draw your con
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Analysis of Financial Time Series.
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STRUCTURE OF A MODEL 813.2 STRUCTUR
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THE ARCH MODEL 83corrected asset re
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THE ARCH MODEL 85Series : xACF0.0 0
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THE ARCH MODEL 87sample mean from t
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THE ARCH MODEL 89where Ɣ(x) is the
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THE ARCH MODEL 91Series : resiSerie
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THE GARCH MODEL 93other softwares a
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THE GARCH MODEL 95ahead forecast ca
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THE GARCH MODEL 97The fitted AR(3)
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THE GARCH MODEL 99Series : stdatACF
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THE GARCH-M MODEL 101two models. Th
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THE EXPONENTIAL GARCH MODEL 103To b
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THE EXPONENTIAL GARCH MODEL 105eros
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THE CHARMA MODEL 107ˆσ 2 864 (3)
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RANDOM COEFFICIENT AUTOREGRESSIVE M
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THE LONG-MEMORY STOCHASTIC VOLATILI
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AN ALTERNATIVE APPROACH 113where Va
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APPLICATION 115(a) IBMlog-rtn-30 -1
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APPLICATION 117equationThe fitted m
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KURTOSIS OF GARCH MODELS 119where K
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SOME RATS PROGRAMS FOR ESTIMATING V
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EXERCISES 123• Is there evidence
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REFERENCES 125Melino, A., and Turnb
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NONLINEAR TIME SERIES 127To put non
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NONLINEAR MODELS 129Example 4.1. Co
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NONLINEAR MODELS 131jumps when it b
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NONLINEAR MODELS 133the series and
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NONLINEAR MODELS 135els to the mont
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NONLINEAR MODELS 137growth-2 -1 0 1
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NONLINEAR MODELS 139average of y t
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NONLINEAR MODELS 141indicating that
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NONLINEAR MODELS 143s T,2t=1T∑K h
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NONLINEAR MODELS 145f i (.) of Eq.
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NONLINEAR MODELS 1474.1.9.1 Feed-Fo
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NONLINEAR MODELS 1494.1.9.2 Trainin
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NONLINEAR MODELS 151prob0.0 0.2 0.4
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NONLINEARITY TESTS 153idea behind v
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NONLINEARITY TESTS 155C l (δ, T )
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NONLINEARITY TESTS 157and obtain th
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NONLINEARITY TESTS 159• Step 2: C
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FORECASTING 161returns. In summary,
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FORECASTING 163in m 11 and m 22 ind
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APPLICATION 165unem. rate4 6 8 10
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APPLICATION 167Table 4.4. Out-of-Sa
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APPENDIX A 169compute a0 = 0.1, a1
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REFERENCES 171P(s t = 2 | s t−1 =
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REFERENCES 173Fan, J. (1993), “Lo
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NONSYNCHRONOUS TRADING 177t − k t
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BID-ASK SPREAD 179The lag-1 autocov
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EMPIRICAL CHARACTERISTICS 181The ma
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n(trades)0 20406080 1200 1000 2000
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EMPIRICAL CHARACTERISTICS 185after-
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MODELS FOR PRICE CHANGES 187deep un
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MODELS FOR PRICE CHANGES 189σ 2i (
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MODELS FOR PRICE CHANGES 191A i = 1
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MODELS FOR PRICE CHANGES 193( )piln
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DURATION MODELS 195For the IBM data
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DURATION MODELS 197(a) is the avera
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DURATION MODELS 199actions might no
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DURATION MODELS 201Series : xACF0.0
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DURATION MODELS 203reduces to that
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DURATION MODELS 205Series : xACF0.0
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THE PCD MODEL 207where w(α) denote
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THE PCD MODEL 209(a) All transactio
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THE PCD MODEL 2110 10 20 30 40 500
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THE PCD MODEL 213⎧⎪⎨1f (x |
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THE PCD MODEL 215Generalized Gamma
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THE PCD MODEL 217smpl 2 3534compute
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REFERENCES 219(a) Use the data to c
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STOCHASTIC PROCESSES 223write a con
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STOCHASTIC PROCESSES 2253. stationa
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ITO’S LEMMA 2276.3.2 Stochastic D
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ITO’S LEMMA 229This result shows
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DISTRIBUTIONS OF PRICE AND RETURN 2
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BLACK-SCHOLES EQUATION 233and G t =
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BLACK-SCHOLES FORMULA 235risk prefe
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BLACK-SCHOLES FORMULA 237The stock
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BLACK-SCHOLES FORMULA 239(a) Call o
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AN EXTENSION OF ITO’S LEMMA 2410
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STOCHASTIC INTEGRAL 243using the It
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JUMP DIFFUSION MODELS 245where w t
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JUMP DIFFUSION MODELS 247where it i
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JUMP DIFFUSION MODELS 249sudden jum
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APPENDIX A 251Pricing formulas for
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EXERCISES 253which involves the CDF
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REFERENCES 255Bakshi, G., Cao, C.,
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VALUEATRISK 257log return-0.2 -0.1
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RISKMETRICS 259we use log returns r
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RISKMETRICS 261investor is$10,000,0
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ECONOMETRIC APPROACH TO VAR 263Cons
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ECONOMETRIC APPROACH TO VAR 265The
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QUANTILE ESTIMATION 267Using the fo
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QUANTILE ESTIMATION 269ˆx 0.01 = p
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EXTREME VALUE THEORY 271= 1 −= 1
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EXTREME VALUE THEORY 273shows that
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EXTREME VALUE THEORY 275{ [] }r n(i
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EXTREME VALUE THEORY 2777.5.3 Appli
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EXTREME VALUE TO VAR 2797.6 AN EXTR
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EXTREME VALUE TO VAR 281VaR =−2.5
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EXTREME VALUE TO VAR 283stock. The
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A NEW APPROACH TO VAR 285series (e.
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A NEW APPROACH TO VAR 287In Eq. (7.
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A NEW APPROACH TO VAR 289Example 7.
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A NEW APPROACH TO VAR 291feature is
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A NEW APPROACH TO VAR 293(a) Homoge
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A NEW APPROACH TO VAR 295Table 7.4.
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REFERENCES 297a Gaussian GARCH(1, 1
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CROSS-CORRELATION 301correlation co
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CROSS-CORRELATION 303where ̂D is t
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CROSS-CORRELATION 305Table 8.1. Sum
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30yr20yr10yr5yr1yr-10 0 510-10 0 51
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VAR MODELS 3098.2 VECTOR AUTOREGRES
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VAR MODELS 311where G = Cov(b t ).
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VAR MODELS 313where φ 0 and a t ar
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VAR MODELS 315To specify the order
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VAR MODELS 317the S&P 500 index. Th
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VECTOR MA MODELS 319[ ] [ ] [ ] [r1
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VECTOR MA MODELS 321turn used to co
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VECTOR ARMA MODELS 323For the VAR(1
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VECTOR ARMA MODELS 325log-rate0.0 0
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VECTOR ARMA MODELS 327interest-rate
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CO-INTEGRATION 329Series : x1ACF0.0
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CO-INTEGRATION 331Stock Exchange; o
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THRESHOLD CO-INTEGRATION 333ously b
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PRINCIPAL COMPONENT ANALYSIS 3358.6
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PRINCIPAL COMPONENT ANALYSIS 337(c
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PRINCIPAL COMPONENT ANALYSIS 339(a)
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FACTOR ANALYSIS 341(a) 5 stock retu
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FACTOR ANALYSIS 343andCov(r, F) = E
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FACTOR ANALYSIS 345matrix P to tran
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FACTOR ANALYSIS 347Example 8.9. In
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APPENDIX A. REVIEW OF VECTORS AND M
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APPENDIX A. REVIEW OF VECTORS AND M
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APPENDIX B. MULTIVARIATE NORMAL DIS
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REFERENCES 355(b) Build a bivariate
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REPARAMETERIZATION 359To illustrate
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REPARAMETERIZATION 361where ⊥ den
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GARCH MODELS FOR BIVARIATE RETURNS
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Page 377 and 378:
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VECTOR VOLATILITY MODELS 377using t
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VECTOR VOLATILITY MODELS 379large-c
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VECTOR VOLATILITY MODELS 381(a) S&P
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FACTOR-VOLATILITY MODELS 383conside
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APPLICATION 385[ ]σ11,t=σ 22,t⎡
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MULTIVARIATE t DISTRIBUTION 387σ 1
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APPENDIX A. SOME REMARKS ON ESTIMAT
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APPENDIX A. SOME REMARKS ON ESTIMAT
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REFERENCES 393(a) Compute the sampl
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GIBBS SAMPLING 397mean adding auxil
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BAYESIAN INFERENCE 399distributions
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BAYESIAN INFERENCE 401normal with m
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ALTERNATIVE ALGORITHMS 403distribut
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ALTERNATIVE ALGORITHMS 40510.4.2 Me
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REGRESSION WITH SERIAL CORRELATIONS
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REGRESSION WITH SERIAL CORRELATIONS
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MISSING VALUES AND OUTLIERS 411y h
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MISSING VALUES AND OUTLIERS 413Cons
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MISSING VALUES AND OUTLIERS 415we h
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MISSING VALUES AND OUTLIERS 417c3t-
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STOCHASTIC VOLATILITY MODELS 419tha
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STOCHASTIC VOLATILITY MODELS 421whe
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STOCHASTIC VOLATILITY MODELS 423den
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STOCHASTIC VOLATILITY MODELS 425The
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STOCHASTIC VOLATILITY MODELS 427(a)
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•••MARKOV SWITCHING MODELS 42
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MARKOV SWITCHING MODELS 431(a) GARC
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MARKOV SWITCHING MODELS 433β i ∼
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MARKOV SWITCHING MODELS 435(a) mont
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MARKOV SWITCHING MODELS 437α ij ar
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FORECASTING 439garchrtn-sq0 200 400
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EXERCISES 441eter uncertainty in pr
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REFERENCES 443Justel, A., Peña, D.
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446 INDEXData (cont.)equal-weighted
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448 INDEXPoisson process, 244inhomo
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