Details

GARCH Models


GARCH Models

Structure, Statistical Inference and Financial Applications
2. Aufl.

von: Christian Francq, Jean-Michel Zakoian

103,99 €

Verlag: Wiley
Format: PDF
Veröffentl.: 19.03.2019
ISBN/EAN: 9781119313564
Sprache: englisch
Anzahl Seiten: 512

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Beschreibungen

<p><b>Provides a comprehensive and updated study of GARCH models and their applications in finance, covering new developments in the discipline</b> </p> <p>This book provides a comprehensive and systematic approach to understanding GARCH time series models and their applications whilst presenting the most advanced results concerning the theory and practical aspects of GARCH. The probability structure of standard GARCH models is studied in detail as well as statistical inference such as identification, estimation, and tests. The book also provides new coverage of several extensions such as multivariate models, looks at financial applications, and explores the very validation of the models used.</p> <p><i>GARCH Models: Structure, Statistical Inference and Financial Applications, 2nd Edition</i> features a new chapter on Parameter-Driven Volatility Models, which covers Stochastic Volatility Models and Markov Switching Volatility Models. A second new chapter titled Alternative Models for the Conditional Variance contains a section on Stochastic Recurrence Equations and additional material on EGARCH, Log-GARCH, GAS, MIDAS, and intraday volatility models, among others. The book is also updated with a more complete discussion of multivariate GARCH; a new section on Cholesky GARCH; a larger emphasis on the inference of multivariate GARCH models; a new set of corrected problems available online; and an up-to-date list of references.</p> <ul> <li>Features up-to-date coverage of the current research in the probability, statistics, and econometric theory of GARCH models</li> <li>Covers significant developments in the field, especially in multivariate models</li> <li>Contains completely renewed chapters with new topics and results</li> <li>Handles both theoretical and applied aspects</li> <li>Applies to researchers in different fields (time series, econometrics, finance)</li> <li>Includes numerous illustrations and applications to real financial series</li> <li>Presents a large collection of exercises with corrections</li> <li>Supplemented by a supporting website featuring R codes, Fortran programs, data sets and Problems with corrections</li> </ul> <p><i>GARCH Models, 2<sup>nd</sup> Edition </i>is an authoritative, state-of-the-art reference that is ideal for graduate students, researchers, and practitioners in business and finance seeking to broaden their skills of understanding of econometric time series models.</p>
<p>Preface to the Second Edition xi</p> <p>Preface to the First Edition xiii</p> <p>Notation xv</p> <p><b>1 Classical Time Series Models and Financial Series 1</b></p> <p>1.1 Stationary Processes 1</p> <p>1.2 ARMA and ARIMA Models 3</p> <p>1.3 Financial Series 6</p> <p>1.4 Random Variance Models 10</p> <p>1.5 Bibliographical Notes 11</p> <p>1.6 Exercises 12</p> <p><b>Part I Univariate GARCH Models</b></p> <p><b>2 GARCH(<i>p</i><i>, q</i>) Processes 17</b></p> <p>2.1 Definitions and Representations 17</p> <p>2.2 Stationarity Study 22</p> <p>2.2.1 The GARCH(1,1) Case 22</p> <p>2.2.2 The General Case 26</p> <p>2.3 ARCH(∞) Representation* 36</p> <p>2.3.1 Existence Conditions 36</p> <p>2.3.2 ARCH(∞) Representation of a GARCH 39</p> <p>2.3.3 Long-Memory ARCH 40</p> <p>2.4 Properties of the Marginal Distribution 41</p> <p>2.4.1 Even-Order Moments 42</p> <p>2.4.2 Kurtosis 45</p> <p>2.5 Autocovariances of the Squares of a GARCH 46</p> <p>2.5.1 Positivity of the Autocovariances 47</p> <p>2.5.2 The Autocovariances Do Not Always Decrease 48</p> <p>2.5.3 Explicit Computation of the Autocovariances of the Squares 48</p> <p>2.6 Theoretical Predictions 50</p> <p>2.7 Bibliographical Notes 54</p> <p>2.8 Exercises 55</p> <p><b>3 Mixing* 59</b></p> <p>3.1 Markov Chains with Continuous State Space 59</p> <p>3.2 Mixing Properties of GARCH Processes 64</p> <p>3.3 Bibliographical Notes 71</p> <p>3.4 Exercises 71</p> <p><b>4 Alternative Models for the Conditional Variance 73</b></p> <p>4.1 Stochastic Recurrence Equation (SRE) 74</p> <p>4.2 Exponential GARCH Model 77</p> <p>4.3 Log-GARCH Model 82</p> <p>4.3.1 Stationarity of the Extended Log-GARCH Model 83</p> <p>4.3.2 Existence of Moments and Log-Moments 86</p> <p>4.3.3 Relations with the EGARCH Model 88</p> <p>4.4 Threshold GARCH Model 90</p> <p>4.5 Asymmetric Power GARCH Model 96</p> <p>4.6 Other Asymmetric GARCH Models 98</p> <p>4.7 A GARCH Model with Contemporaneous Conditional Asymmetry 99</p> <p>4.8 Empirical Comparisons of Asymmetric GARCH Formulations 101</p> <p>4.9 Models Incorporating External Information 109</p> <p>4.10 Models Based on the Score: GAS and Beta-t-(E)GARCH 113</p> <p>4.11 GARCH-type Models for Observations Other Than Returns 115</p> <p>4.12 Complementary Bibliographical Notes 119</p> <p>4.13 Exercises 120</p> <p><b>Part II Statistical Inference</b></p> <p><b>5 Identification 125</b></p> <p>5.1 Autocorrelation Check for White Noise 125</p> <p>5.1.1 Behaviour of the Sample Autocorrelations of a GARCH Process 126</p> <p>5.1.2 Portmanteau Tests 128</p> <p>5.1.3 Sample Partial Autocorrelations of a GARCH 129</p> <p>5.1.4 Numerical Illustrations 129</p> <p>5.2 Identifying the ARMA Orders of an ARMA-GARCH 132</p> <p>5.2.1 Sample Autocorrelations of an ARMA-GARCH 132</p> <p>5.2.2 Sample Autocorrelations of an ARMA-GARCH Process When the Noise is Not Symmetrically Distributed 136</p> <p>5.2.3 Identifying the Orders (<i>P</i>, <i>Q</i>) 138</p> <p>5.3 Identifying the GARCH Orders of an ARMA-GARCH Model 140</p> <p>5.3.1 Corner Method in the GARCH Case 141</p> <p>5.3.2 Applications 141</p> <p>5.4 Lagrange Multiplier Test for Conditional Homoscedasticity 143</p> <p>5.4.1 General Form of the LM Test 143</p> <p>5.4.2 LM Test for Conditional Homoscedasticity 147</p> <p>5.5 Application to Real Series 149</p> <p>5.6 Bibliographical Notes 151</p> <p>5.7 Exercises 158</p> <p><b>6 Estimating ARCH Models by Least Squares 161</b></p> <p>6.1 Estimation of ARCH(<i>q</i>) models by Ordinary Least Squares 161</p> <p>6.2 Estimation of ARCH(<i>q</i>) Models by Feasible Generalised Least Squares 165</p> <p>6.3 Estimation by Constrained Ordinary Least Squares 168</p> <p>6.3.1 Properties of the Constrained OLS Estimator 169</p> <p>6.3.2 Computation of the Constrained OLS Estimator 170</p> <p>6.4 Bibliographical Notes 171</p> <p>6.5 Exercises 171</p> <p><b>7 Estimating GARCH Models by Quasi-Maximum Likelihood 175</b></p> <p>7.1 Conditional Quasi-Likelihood 175</p> <p>7.1.1 Asymptotic Properties of the QMLE 177</p> <p>7.1.2 The ARCH(1) Case: Numerical Evaluation of the Asymptotic Variance 180</p> <p>7.1.3 The Non-stationary ARCH(1) 181</p> <p>7.2 Estimation of ARMA–GARCH Models by Quasi-Maximum Likelihood 183</p> <p>7.3 Application to Real Data 187</p> <p>7.4 Proofs of the Asymptotic Results* 188</p> <p>7.5 Bibliographical Notes 211</p> <p>7.6 Exercises 212</p> <p><b>8 Tests Based on the Likelihood 217</b></p> <p>8.1 Test of the Second-Order Stationarity Assumption 217</p> <p>8.2 Asymptotic Distribution of the QML When 𝜃<sub>0</sub> is at the Boundary 218</p> <p>8.3 Significance of the GARCH Coefficients 226</p> <p>8.3.1 Tests and Rejection Regions 226</p> <p>8.3.2 Modification of the Standard Tests 227</p> <p>8.3.3 Test for the Nullity of One Coefficient 228</p> <p>8.3.4 Conditional Homoscedasticity Tests with ARCH Models 230</p> <p>8.3.5 Asymptotic Comparison of the Tests 232</p> <p>8.4 Diagnostic Checking with Portmanteau Tests 235</p> <p>8.5 Application: Is the GARCH(1,1) Model Overrepresented? 235</p> <p>8.6 Proofs of the Main Results* 238</p> <p>8.7 Bibliographical Notes 245</p> <p>8.8 Exercises 246</p> <p><b>9 Optimal Inference and Alternatives to the QMLE* 249</b></p> <p>9.1 Maximum Likelihood Estimator 249</p> <p>9.1.1 Asymptotic Behaviour 250</p> <p>9.1.2 One-Step Efficient Estimator 252</p> <p>9.1.3 Semiparametric Models and Adaptive Estimators 254</p> <p>9.1.4 Local Asymptotic Normality 256</p> <p>9.2 Maximum Likelihood Estimator with Mis-specified Density 260</p> <p>9.2.1 Condition for the Convergence of 𝜃<sub><i>n,h </i></sub>to 𝜃<sub>0</sub> 261</p> <p>9.2.2 Convergence of 𝜃<sub><i>n,h </i></sub>and Interpretation of the Limit 262</p> <p>9.2.3 Choice of Instrumental Density <i>h </i>263</p> <p>9.2.4 Asymptotic Distribution of 𝜃<i><sub>n,h</sub> </i>264</p> <p>9.3 Alternative Estimation Methods 265</p> <p>9.3.1 Weighted LSE for the ARMA Parameters 265</p> <p>9.3.2 Self-Weighted QMLE 266</p> <p>9.3.3 <i>L<sub>p</sub> </i>Estimators 267</p> <p>9.3.4 Least Absolute Value Estimation 267</p> <p>9.3.5 Whittle Estimator 268</p> <p>9.4 Bibliographical Notes 268</p> <p>9.5 Exercises 269</p> <p><b>Part III Extensions and Applications</b></p> <p><b>10 Multivariate GARCH Processes 273</b></p> <p>10.1 Multivariate Stationary Processes 273</p> <p>10.2 Multivariate GARCH Models 275</p> <p>10.2.1 Diagonal Model 276</p> <p>10.2.2 Vector GARCH Model 276</p> <p>10.2.3 Constant Conditional Correlations Models 279</p> <p>10.2.4 Dynamic Conditional Correlations Models 280</p> <p>10.2.5 BEKK-GARCH Model 281</p> <p>10.2.6 Factor GARCH Models 284</p> <p>10.2.7 Cholesky GARCH 286</p> <p>10.3 Stationarity 287</p> <p>10.3.1 Stationarity of VEC and BEKK Models 287</p> <p>10.3.2 Stationarity of the CCC Model 289</p> <p>10.3.3 Stationarity of DCC models 292</p> <p>10.4 QML Estimation of General MGARCH 292</p> <p>10.5 Estimation of the CCC Model 294</p> <p>10.5.1 Identifiability Conditions 295</p> <p>10.5.2 Asymptotic Properties of the QMLE of the CCC-GARCH model 297</p> <p>10.6 Looking for Numerically Feasible Estimation Methods 299</p> <p>10.6.1 Variance Targeting Estimation 299</p> <p>10.6.2 Equation-by-Equation Estimation 300</p> <p>10.7 Proofs of the Asymptotic Results 303</p> <p>10.7.1 Proof of the CAN in Theorem 10.7 303</p> <p>10.7.2 Proof of the CAN in Theorems 10.8 and 10.9 307</p> <p>10.8 Bibliographical Notes 312</p> <p>10.9 Exercises 313</p> <p><b>11 Financial Applications 317</b></p> <p>11.1 Relation Between GARCH and Continuous-Time Models 317</p> <p>11.1.1 Some Properties of Stochastic Differential Equations 317</p> <p>11.1.2 Convergence of Markov Chains to Diffusions 319</p> <p>11.2 Option Pricing 324</p> <p>11.2.1 Derivatives and Options 324</p> <p>11.2.2 The Black–Scholes Approach 325</p> <p>11.2.3 Historic Volatility and Implied Volatilities 326</p> <p>11.2.4 Option Pricing when the Underlying Process is a GARCH 327</p> <p>11.3 Value at Risk and Other Risk Measures 331</p> <p>11.3.1 Value at Risk 332</p> <p>11.3.2 Other Risk Measures 336</p> <p>11.3.3 Estimation Methods 338</p> <p>11.4 Bibliographical Notes 340</p> <p>11.5 Exercises 342</p> <p><b>12 Parameter-Driven Volatility Models 345</b></p> <p>12.1 Stochastic Volatility Models 346</p> <p>12.1.1 Definition of the Canonical SV Model 346</p> <p>12.1.2 Stationarity 347</p> <p>12.1.3 Autocovariance Structures 349</p> <p>12.1.4 Extensions of the Canonical SV Model 350</p> <p>12.1.5 Quasi-Maximum Likelihood Estimation 352</p> <p>12.2 Markov Switching Volatility Models 353</p> <p>12.2.1 Hidden Markov Models 353</p> <p>12.2.2 MS-GARCH(<i>p</i>, <i>q</i>) Process 362</p> <p>12.3 Bibliographical Notes 363</p> <p>12.4 Exercises 365</p> <p><b>A Ergodicity, Martingales, Mixing 367</b></p> <p>A.1 Ergodicity 367</p> <p>A.2 Martingale Increments 368</p> <p>A.3 Mixing 371</p> <p>A.3.1 α-Mixing and β-Mixing Coefficients 371</p> <p>A.3.2 Covariance Inequality 373</p> <p>A.3.3 Central Limit Theorem 375</p> <p><b>B Autocorrelation and Partial Autocorrelation 377</b></p> <p>B.1 Partial Autocorrelation 377</p> <p>B.1.1 Computation Algorithm 378</p> <p>B.1.2 Behaviour of the Empirical Partial Autocorrelation 379</p> <p>B.2 Generalised Bartlett Formula for Non-linear Processes 382</p> <p><b>C Markov Chains on Countable State Spaces 387</b></p> <p>C.1 Definition of a Markov Chain 387</p> <p>C.2 Transition Probabilities 388</p> <p>C.3 Classification of States 388</p> <p>C.4 Invariant Probability and Stationarity 389</p> <p>C.5 Ergodic Results 390</p> <p>C.6 Limit Distributions 390</p> <p>C.7 Examples 391</p> <p><b>D The Kalman Filter 393</b></p> <p>D.1 General Form of the Kalman Filter 394</p> <p>D.2 Prediction and Smoothing with the Kalman Filter 396</p> <p>D.3 Kalman Filter in the Stationary Case 398</p> <p>D.4 Statistical Inference with the Kalman Filter 399</p> <p><b>E Solutions to the Exercises 401</b></p> <p>References 467</p> <p>Index 485</p>
<p><b>CHRISTIAN FRANCQ, P<small>H</small>D,</b> is Professor of Econometrics and Finance at CREST (Center for Research in Economics and Statistics) and ENSAE (National School of Statistics and Economic Administration). <p><b>JEAN-MICHEL ZAKOIAN, P<small>H</small>D,</b> is Professor of Econometrics and Finance at CREST (Center for Research in Economics and Statistics) and ENSAE (National School of Statistics and Economic Administration). <p>They have both published various papers on this topic in statistical and econometric journals, including <i>Econometrica, Econometric Theory, Journal of Econometrics, Bernoulli, Journal of the Royal Statistical Society (Series B)</i> and <i>Journal of the American Statistical Association.</i>
<p><b>PROVIDES A COMPREHENSIVE AND UPDATED STUDY OF GARCH MODELS AND THEIR APPLICATIONS IN FINANCE, COVERING NEW DEVELOPMENTS IN THE DISCIPLINE</b> <p>This book provides a comprehensive and systematic approach to understanding GARCH time series models and their applications whilst presenting the most advanced results concerning the theory and practical aspects of GARCH. The probability structure of standard GARCH models is studied in detail as well as statistical inference such as identification, estimation, and tests. The book also provides new coverage of several extensions such as multivariate models, examines financial applications, and explores the very validation of the models used. <p><i>GARCH Models: Structure, Statistical Inference and Financial Applications, Second Edition</i> features a new chapter on Parameter-Driven Volatility Models, which covers Stochastic Volatility Models and Markov Switching Volatility Models. A second new chapter entitled Alternative Models for the Conditional Variance contains a section on Stochastic Recurrence Equations and additional material on EGARCH, Log-GARCH, GAS, MIDAS, and intraday volatility models, amongst others. The book is also updated with a more complete discussion of multivariate GARCH; a new section on Cholesky GARCH; a larger emphasis on the inference of multivariate GARCH models; a new set of corrected problems available online; and an up-to-date list of references. <p>This book also: <ul> <li>Features up-to-date coverage of the current research in the probability, statistics, and econometric theory of GARCH models</li> <li>Covers significant developments in the field, especially in multivariate models</li> <li>Contains completely renewed chapters with new topics and results</li> <li>Handles both theoretical and applied aspects</li> <li>Applies to researchers in different fields (time series, econometrics, finance)</li> <li>Includes numerous illustrations and applications to real financial series</li> <li>Presents a large collection of exercises with corrections</li> <li>Supplemented by a supporting website featuring R codes, Fortran programs, data sets and problems with corrections</li> </ul> <p><i>GARCH Models: Structure, Statistical Inference and Financial Applications, Second Edition</i> is an authoritative, state-of-the-art reference that is ideal for graduate students, researchers, and practitioners in business and finance seeking to broaden their skills of understanding of econometric time series models.

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