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Foreword |
5 |
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Preface |
6 |
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Contents |
7 |
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Contributors |
13 |
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Part I Surveys |
17 |
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1 Copula Theory: An Introduction |
18 |
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Fabrizio Durante and Carlo Sempi |
18 |
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1.1 Historical Introduction |
18 |
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1.1.1 Outline |
21 |
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1.2 Preliminaries on Random Variables and Distribution Functions |
21 |
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1.3 Copulas: Definitions and Basic Properties |
24 |
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1.4 Sklar's Theorem |
27 |
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1.5 Copulas and Random Vectors |
29 |
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1.6 Families of Copulas |
30 |
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1.6.1 Elliptical Copulas |
31 |
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1.6.2 Archimedean Copulas |
32 |
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1.6.3 EFGM Copulas |
34 |
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1.7 Constructions of Copulas |
35 |
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1.7.1 Copulas with Given Lower Dimensional Marginals |
35 |
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1.7.2 Copula-to-Copula Transformations |
36 |
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1.7.3 Geometric Constructions of Copulas |
37 |
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1.8 Copula Theory: What's the Future? |
38 |
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References |
39 |
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2 Dynamic Modeling of Dependence in Finance via Copulae Between Stochastic Processes |
47 |
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Tomasz R. Bielecki, Jacek Jakubowski and Mariusz Nieweg?owski |
47 |
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2.1 Introduction |
47 |
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2.2 Lévy Copulae |
49 |
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2.3 Semimartingale Copulae |
53 |
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2.3.1 Copulae for Special Semimartingales |
53 |
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2.3.2 Consistent Semimartingale Copulae |
62 |
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2.4 Markov Copulae |
68 |
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2.4.1 Consistent Markov Processes |
69 |
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2.4.2 Markov Copulae: Generator Approach |
71 |
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2.4.3 Markov Copulae: Symbolic Approach |
77 |
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2.5 Applications in Finance |
83 |
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2.5.1 Pricing Rating-Triggered Step-Up Bonds via Simulation |
84 |
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2.5.2 Model Calibration and Pricing |
86 |
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References |
89 |
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3 Copula Estimation |
91 |
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Barbara Choros, Rustam Ibragimov and Elena Permiakova |
91 |
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3.1 Introduction |
91 |
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3.2 Copula Estimation: Random Samples with Dependent Marginals |
92 |
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3.2.1 Parametric Models: Maximum Likelihood Methods and Inference from Likelihoods for Margins |
92 |
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3.2.2 Semiparametric Estimation |
94 |
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3.2.3 Nonparametric Inference and Empirical Copula Processes |
95 |
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3.3 Copula-Based Time Series and Their Estimation |
96 |
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3.3.1 Copula-Based Characterizations for (Higher-Order) Markov Processes |
96 |
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3.3.2 Parametric and Semiparametric Copula Estimation Methods for Markov Processes |
97 |
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3.3.3 Nonparametric Copula Inference for Time Series |
98 |
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3.3.4 Dependence Properties of Copula-Based Time Series |
99 |
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3.4 Further Copula Inference Methods |
100 |
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3.5 Empirical Applications |
101 |
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References |
103 |
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4 Pair-Copula Constructions of Multivariate Copulas |
106 |
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Claudia Czado |
106 |
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4.1 Introduction |
106 |
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4.2 Pair Copula Constructions of D-Vine, Canonical and Regular Vine Distributions |
107 |
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4.2.1 Pair-Copula Constructions of D-Vine and Canonical Vine Distributions |
107 |
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4.2.2 Regular Vines Distributions and Copulas |
109 |
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4.3 Estimation Methods for Regular Vine Copulas |
113 |
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4.4 Model Selection Among Vine Specifications |
116 |
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4.5 Applications of Vine Distributions |
118 |
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4.6 Summary and Open Problems |
119 |
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References |
120 |
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5 Risk Aggregation |
123 |
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Paul Embrechts and Giovanni Puccetti |
123 |
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5.1 Motivations and Preliminaries |
124 |
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5.1.1 The Mathematical Framework |
124 |
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5.2 Bounds for Functions of Risks: The Coupling-Dual Approach |
125 |
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5.2.1 Application 1: Bounding Value-at-Risk |
127 |
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5.2.2 Application 2: Supermodular Functions |
131 |
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5.3 The Calculation of the Distribution of the Sum of Risks |
132 |
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5.3.1 Open Problems |
136 |
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References |
137 |
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6 Extreme-Value Copulas |
139 |
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Gordon Gudendorf and Johan Segers |
139 |
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6.1 Introduction |
139 |
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6.2 Foundations |
140 |
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6.3 Parametric Models |
143 |
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6.3.1 Logistic Model or Gumbel--Hougaard Copula |
144 |
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6.3.2 Negative Logistic Model or Galambos Copula |
144 |
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6.3.3 Hüsler--Reiss Model |
145 |
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6.3.4 The t-EV Copula |
146 |
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6.4 Dependence Coefficients |
146 |
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6.5 Estimation |
148 |
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6.5.1 Parametric Estimation |
149 |
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6.5.2 Nonparametric Estimation |
150 |
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6.6 Further Reading |
152 |
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References |
153 |
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7 Construction and Sampling of Nested Archimedean Copulas |
158 |
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Marius Hofert |
158 |
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7.1 Introduction |
158 |
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7.2 Nested Archimedean Copulas |
160 |
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7.3 A Sufficient Nesting Condition |
162 |
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7.4 Construction of Nested Archimedean Copulas |
164 |
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7.5 Sampling Nested Archimedean Copulas |
166 |
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7.6 Conclusion |
170 |
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References |
170 |
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8 Tail Behaviour of Copulas |
172 |
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Piotr Jaworski |
172 |
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8.1 Introduction |
172 |
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8.2 Tail Expansions of Copulas |
174 |
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8.2.1 Characterization and Properties of Leading Parts |
178 |
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8.2.2 Relatively Invariant Measures on [0,)n |
179 |
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8.3 Examples of Tail Expansions |
180 |
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8.3.1 Homogeneous Copulas |
180 |
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8.3.2 Diagonal Copulas |
180 |
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8.3.3 Absolutely Continuous Copulas |
182 |
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8.3.4 Archimedean Copulas |
183 |
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8.3.5 Multivariate Extreme Value Copulas |
188 |
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8.4 Applications |
189 |
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8.4.1 Tail Conditional Copulas |
189 |
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8.4.2 Extreme Value Copulas of a Given Copula |
191 |
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8.4.3 Regularly Varying Random Vectors with a Given Copula |
192 |
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8.4.4 Value at Risk |
193 |
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References |
196 |
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9 Copulae in Reliability Theory (Order Statistics, Coherent Systems) |
198 |
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Tomasz Rychlik |
198 |
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9.1 Coherent Systems |
198 |
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9.2 Signatures |
200 |
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9.2.1 Components with i.i.d. Lifetimes |
200 |
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9.2.2 Mixed Systems |
201 |
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9.2.3 Components with Exchangeable Lifetimes |
203 |
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9.3 Bounds for Exchangeable Lifetime Components |
205 |
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9.3.1 Distribution Bounds |
205 |
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9.3.2 Expectation Bounds |
207 |
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9.4 Characterizations of k-Out-of-n System Lifetime Distributions |
209 |
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9.4.1 General Copula Joint Distribution |
210 |
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9.4.2 Absolute Continuous Copula Joint Distribution |
211 |
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9.4.3 Variance Bounds |
214 |
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9.5 Final Remarks |
216 |
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References |
217 |
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10 Copula-Based Measures of Multivariate Association |
220 |
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Friedrich Schmid, Rafael Schmidt, Thomas Blumentritt, Sandra Gaißer and Martin Ruppert |
220 |
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10.1 Introduction and Definitions |
220 |
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10.2 Aspects of Multivariate Association |
223 |
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10.3 Multivariate Generalizations of Spearman's Rho, Kendall's Tau, Blomqvist's Beta, and Gini's Gamma |
226 |
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10.3.1 Spearman's Rho |
226 |
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10.3.2 Kendall's Tau |
228 |
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10.3.3 Blomqvist's Beta |
230 |
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10.3.4 Gini's Gamma |
231 |
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10.4 Information-Based Measures of Multivariate Association |
232 |
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10.5 Measures of Multivariate Association Based on Lp-Distances |
235 |
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10.5.1 2 as a L2-Distance-Based Measure |
236 |
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10.5.2 as a L1-Distance-Based Measure |
238 |
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10.5.3 as a L-Distance-Based Measure |
238 |
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10.6 Multivariate Tail Dependence |
239 |
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References |
243 |
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11 Semi-Copulas and Interpretations of Coincidences Between Stochastic Dependence and Ageing |
248 |
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Fabio Spizzichino |
248 |
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11.1 Introduction |
248 |
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11.2 Univariate Ageing and Dependence Properties of Archimedean Semi-Copulas |
251 |
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11.3 Dependence and Univariate Ageing in Schur-Constant Models |
254 |
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11.4 Level Curves, B functions, Duality, and Interpretation of Coincidence Between Ageing and Dependence |
258 |
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11.5 Summary and Concluding Remarks |
262 |
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References |
263 |
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Part II Contributed Papers |
266 |
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12 A Copula-Based Model for Spatial and Temporal Dependence of Equity Markets |
267 |
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Umberto Cherubini, Fabio Gobbi, Sabrina Mulinacci and Silvia Romagnoli |
267 |
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12.1 Introduction |
267 |
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12.2 A market Model in Discrete Time |
268 |
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12.3 The Martingale Property |
269 |
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12.4 Applications |
271 |
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12.4.1 Multivariate Digital Options |
271 |
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12.4.2 Basket and Spread Options |
273 |
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References |
274 |
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13 Nonparametric and Semiparametric Bivariate Modeling of Petrophysical Porosity-Permeability Dependence from Well Log Data |
276 |
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Arturo Erdely and Martin Diaz-Viera |
276 |
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13.1 Introduction |
276 |
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13.2 Methodology |
277 |
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13.3 Data Analysis |
280 |
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13.4 Final Remarks |
285 |
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References |
287 |
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14 Testing Under the Extended Koziol-Green Model |
288 |
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Auguste Gaddah and Roel Braekers |
288 |
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14.1 Introduction |
288 |
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14.2 Asymptotic Results |
291 |
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14.3 Test Statistics |
294 |
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14.4 Data Example: Survival with Malignant Melanoma |
295 |
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References |
297 |
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15 Parameter Estimation and Application of the Multivariate Skew t-Copula |
298 |
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Tõnu Kollo Gaida Pettere |
298 |
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15.1 Introduction |
298 |
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15.2 Preliminary Notions and Notation |
299 |
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15.3 Construction of a Skew t-Copula |
301 |
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15.4 Parameter Estimation |
302 |
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15.5 Simulation |
304 |
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15.6 Application |
305 |
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References |
307 |
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16 On Analytical Similarities of Archimedean and Exchangeable Marshall-Olkin Copulas |
308 |
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Jan-Frederik Mai and Matthias Scherer |
308 |
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16.1 Introduction |
308 |
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16.2 Complete Monotonicity and d-Monotonicity |
310 |
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16.2.1 Definitions and Examples |
310 |
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16.2.2 Probabilistic Interpretations |
311 |
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16.2.3 d-Monotonicity |
312 |
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16.3 Probabilistic Models and Sampling |
314 |
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16.3.1 The Completely Monotone Case |
314 |
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16.3.2 The Proper d-Monotone Case |
315 |
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References |
317 |
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17 Relationships Between Archimedean Copulas and Morgenstern Utility Functions |
319 |
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Jaap Spreeuw |
319 |
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17.1 Introduction |
319 |
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17.2 Archimedean Copulas |
320 |
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17.3 Utility Functions |
320 |
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17.4 Relationships Between Properties of Utility Functions and Properties of Generators |
323 |
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17.5 Examples |
326 |
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17.5.1 Classical Cases |
326 |
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17.5.2 The HARA Family |
327 |
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17.5.3 The Expo Power Utility |
327 |
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17.5.4 Other Examples of Decreasing Absolute Risk Aversion (DARA) as in Pratt [9] |
327 |
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17.6 Conclusion |
329 |
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References |
329 |
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Index |
331 |
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