Preface |
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xi | |
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Part 1 Smoothness of the Survival Probabilities with Applications |
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1 | (162) |
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Chapter 1 Classical Results on the Ruin Probabilities |
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3 | (24) |
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3 | (19) |
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1.1.1 Description of the model |
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3 | (2) |
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1.1.2 Net profit condition and the behavior of the infinite-horizon ruin probability |
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5 | (1) |
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1.1.3 Integro-differential equations for the survival probabilities |
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6 | (2) |
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1.1.4 Integral equation for the infinite-horizon ruin probability |
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8 | (2) |
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1.1.5 Laplace transform of the infinite-horizon survival probability |
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10 | (1) |
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1.1.6 Analytic expressions for the infinite-horizon survival probability |
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11 | (2) |
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1.1.7 Cramer-Lundberg approximation for the infinite-horizon ruin probability |
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13 | (3) |
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1.1.8 Lundberg inequality for the infinite-horizon ruin probability |
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16 | (2) |
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1.1.9 Bibliographical notes |
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18 | (4) |
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1.2 Risk model with stochastic premiums |
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22 | (5) |
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1.2.1 Description of the model |
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22 | (1) |
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23 | (2) |
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1.2.3 Bibliographical notes |
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25 | (2) |
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Chapter 2 Classical Risk Model with Investments in a Risk-Free Asset |
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27 | (22) |
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2.1 Description of the model |
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27 | (1) |
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2.2 Continuity and differentiability of the infinite-horizon survival probability |
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28 | (4) |
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2.3 Continuity of the finite-horizon survival probability and existence of its partial derivatives |
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32 | (15) |
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32 | (8) |
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40 | (7) |
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2.4 Bibliographical notes |
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47 | (2) |
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Chapter 3 Risk Model with Stochastic Premiums and Investments in a Risk-Free Asset |
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49 | (16) |
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3.1 Description of the model |
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49 | (1) |
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3.2 Continuity and differentiability of the infinite-horizon survival probability |
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50 | (9) |
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50 | (6) |
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56 | (3) |
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3.3 Continuity of the finite-horizon survival probability and existence of its partial derivatives |
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59 | (6) |
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Chapter 4 Classical Risk Model with a Franchise and a Liability Limit |
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65 | (40) |
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65 | (3) |
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4.2 Survival probability in the classical risk model with a franchise |
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68 | (16) |
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4.2.1 Analytic expression for the survival probability |
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68 | (12) |
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4.2.2 Case of small and large enough initial surpluses |
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80 | (4) |
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4.3 Survival probability in the classical risk model with a liability limit |
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84 | (9) |
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4.3.1 Analytic expression for the survival probability |
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85 | (6) |
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4.3.2 Case of small enough and large enough initial surpluses |
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91 | (2) |
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4.4 Survival probability in the classical risk model with both a franchise and a liability limit |
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93 | (12) |
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4.4.1 Analytic expression for the survival probability |
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94 | (8) |
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4.4.2 Case of small initial surpluses |
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102 | (3) |
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Chapter 5 Optimal Control by the Franchise and Deductible Amounts in the Classical Risk Model |
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105 | (22) |
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105 | (1) |
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5.2 Optimal control by the franchise amount |
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106 | (13) |
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106 | (2) |
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5.2.2 Hamilton--Jacobi--Bellman equation |
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108 | (2) |
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110 | (3) |
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5.2.4 Verification theorem |
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113 | (3) |
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5.2.5 Exponentially distributed claim sizes |
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116 | (3) |
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5.3 Optimal control by the deductible amount |
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119 | (5) |
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119 | (2) |
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5.3.2 Hamilton--Jacobi--Bellman equation |
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121 | (1) |
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5.3.3 Existence and verification theorems |
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122 | (1) |
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5.3.4 Exponentially distributed claim sizes |
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123 | (1) |
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5.4 Bibliographical notes |
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124 | (3) |
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Chapter 6 Risk Models with Investments in Risk-Free and Risky Assets |
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127 | (36) |
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6.1 Description of the models |
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127 | (2) |
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6.2 Classical risk model with investments in risk-free and risky assets |
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129 | (18) |
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6.2.1 Upper and lower bounds for the infinite-horizon survival probability |
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129 | (7) |
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6.2.2 Continuity and differentiability of the infinite-horizon survival probability |
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136 | (4) |
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6.2.3 Continuity of the finite-horizon survival probability and existence of its partial derivatives |
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140 | (7) |
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6.3 Risk model with stochastic premiums and investments in risk-free and risky assets |
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147 | (3) |
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6.4 Accuracy and reliability of uniform approximations of the survival probabilities by their statistical estimates |
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150 | (9) |
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6.4.1 Finite-horizon survival probability |
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150 | (7) |
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6.4.2 Infinite-horizon survival probability |
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157 | (2) |
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6.5 Bibliographical notes |
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159 | (4) |
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Part 2 Supermartingale Approach to the Estimation of Ruin Probabilities |
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163 | (68) |
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Chapter 7 Risk Model with Variable Premium Intensity and Investments in One Risky Asset |
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165 | (22) |
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7.1 Description of the model |
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165 | (2) |
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167 | (8) |
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7.2.1 Sufficient conditions for the solution to explode |
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167 | (5) |
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7.2.2 Finiteness of the first exit time |
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172 | (3) |
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7.3 Existence and uniqueness theorem |
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175 | (1) |
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7.4 Supermartingale property for the exponential process |
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176 | (5) |
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7.5 Upper exponential bound for the ruin probability |
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181 | (3) |
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7.6 Bibliographical notes |
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184 | (3) |
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Chapter 8 Risk Model with Variable Premium Intensity and Investments in One Risky Asset up to the Stopping Time of Investment Activity |
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187 | (18) |
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8.1 Description of the model |
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187 | (2) |
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8.2 Existence and uniqueness theorem |
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189 | (1) |
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8.3 Redefinition of the ruin time |
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190 | (2) |
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8.4 Supermartingale property for the exponential process |
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192 | (4) |
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8.5 Upper exponential bound for the ruin probability |
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196 | (3) |
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8.6 Exponentially distributed claim sizes |
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199 | (1) |
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8.7 Modification of the model |
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200 | (5) |
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Chapter 9 Risk Model with Variable Premium Intensity and Investments in One Risk-Free and a Few Risky Assets |
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205 | (26) |
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9.1 Description of the model |
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205 | (4) |
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9.2 Existence and uniqueness theorem |
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209 | (1) |
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9.3 Supermartingale property for the exponential process |
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209 | (5) |
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9.4 Upper exponential bound for the ruin probability |
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214 | (9) |
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9.5 Case of one risky asset |
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223 | (1) |
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224 | (7) |
Appendix |
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231 | (8) |
Bibliography |
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239 | (16) |
Abbreviations and Notation |
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255 | (4) |
Index |
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259 | |