Brochure More information from http://www.researchandmarkets.com/reports/2866022/ Fundamentals of Actuarial Mathematics. 3rd Edition Description: - Provides a comprehensive coverage of both the deterministic and stochastic models of life contingencies, risk theory, credibility theory, multi-state models, and an introduction to modern mathematical?nance. - New edition restructures the material to?t into modern computational methods and provides several spreadsheet examples throughout. - Covers the syllabus for the Institute of Actuaries subject CT5, Contingencies - Includes new chapters covering stochastic investments returns, universal life insurance. Elements of option pricing and the Black-Scholes formula will be introduced. Contents: Preface xvii Acknowledgements xxi Notation index xxiii Part I THE DETERMINISTIC LIFE CONTINGENCIES MODEL 1 1 Introduction and motivation 3 1.1 Risk and insurance 3 1.2 Deterministic versus stochastic models 4 1.3 Finance and investments 5 1.4 Adequacy and equity 5 1.5 Reassessment 6 1.6 Conclusion 6 2 The basic deterministic model 7 2.1 Cash flows 7 2.2 An analogy with currencies 8 2.3 Discount functions 9 2.4 Calculating the discount function 11 2.5 Interest and discount rates 12 2.6 Constant interest 12 2.7 Values and actuarial equivalence 13 2.8 Vector notation 17 2.9 Regular pattern cash flows 18 2.10 Balances and reserves 20 2.11 Time shifting and the splitting identity 26
2.11 Change of discount function 27 2.12 Internal rates of return 28 2.13 Forward prices and term structure 30 2.14 Standard notation and terminology 33 2.15 Spreadsheet calculations 34 Notes and references 35 Exercises 35 3 The life table 39 3.1 Basic definitions 39 3.2 Probabilities 40 3.3 Constructing the life table from the values of qx 41 3.4 Life expectancy 42 3.5 Choice of life tables 44 3.6 Standard notation and terminology 44 3.7 A sample table 45 Notes and references 45 Exercises 45 4 Life annuities 47 4.1 Introduction 47 4.2 Calculating annuity premiums 48 4.3 The interest and survivorship discount function 50 4.4 Guaranteed payments 53 4.5 Deferred annuities with annual premiums 55 4.6 Some practical considerations 56 4.7 Standard notation and terminology 57 4.8 Spreadsheet calculations 58 Exercises 59 5 Life insurance 61 5.1 Introduction 61 5.2 Calculating life insurance premiums 61 5.3 Types of life insurance 64 5.4 Combined insurance annuity benefits 64
5.5 Insurances viewed as annuities 69 5.6 Summary of formulas 70 5.7 A general insurance annuity identity 70 5.8 Standard notation and terminology 72 5.9 Spreadsheet applications 74 Exercises 74 6 Insurance and annuity reserves 78 6.1 Introduction to reserves 78 6.2 The general pattern of reserves 81 6.3 Recursion 82 6.4 Detailed analysis of an insurance or annuity contract 83 6.5 Bases for reserves 87 6.6 Nonforfeiture values 88 6.7 Policies involving a return of the reserve 88 6.8 Premium difference and paid-up formulas 90 6.9 Standard notation and terminology 91 6.10 Spreadsheet applications 93 Exercises 94 7 Fractional durations 98 7.1 Introduction 98 7.2 Cash flows discounted with interest only 99 7.3 Life annuities paid 7.4 Immediate annuities 104 7.5 Approximation and computation 105 7.6 Fractional period premiums and reserves 106 7.7 Reserves at fractional durations 107 7.8 Standard notation and terminology 109 Exercises 109 8 Continuous payments 112 8.1 Introduction to continuous annuities 112 8.2 The force of discount 113
8.3 The constant interest case 114 8.4 Continuous life annuities 115 8.5 The force of mortality 118 8.6 Insurances payable at the moment of death 119 8.7 Premiums and reserves 122 8.8 The general insurance annuity identity in the continuous case 123 8.9 Differential equations for reserves 124 8.10 Some examples of exact calculation 125 8.11 Further approximations from the life table 129 8.12 Standard actuarial notation and terminology 131 Notes and references 132 Exercises 132 9 Select mortality 137 9.1 Introduction 137 9.2 Select and ultimate tables 138 9.3 Changes in formulas 139 9.4 Projections in annuity tables 141 9.5 Further remarks 142 Exercises 142 10 Multiple-life contracts 144 10.1 Introduction 144 10.2 The joint-life status 144 10.3 Joint-life annuities and insurances 146 10.4 Last-survivor annuities and insurances 147 10.5 Moment of death insurances 149 10.6 The general two-life annuity contract 150 10.7 The general two-life insurance contract 152 10.8 Contingent insurances 153 10.9 Duration problems 156 10.10 Applications to annuity credit risk 159 10.11 Standard notation and terminology 160 10.12 Spreadsheet applications 161
Notes and references 161 Exercises 161 11 Multiple-decrement theory 166 11.1 Introduction 166 11.2 The basic model 166 11.3 Insurances 169 11.4 Determining the model from the forces of decrement 170 11.5 The analogy with joint-life statuses 171 11.6 A machine analogy 171 11.7 Associated single-decrement tables 175 Notes and references 181 Exercises 181 12 Expenses and Profits 184 12.1 Introduction 184 12.2 Effect on reserves 186 12.3 Realistic reserve and balance calculations 187 12.4 Profit measurement 189 Notes and references 196 Exercises 196 13 Specialized topics 199 13.1 Universal life 199 13.2 Variable annuities 203 13.3 Pension plans 204 Exercises 207 Part II THE STOCHASTIC LIFE CONTINGENCIES MODEL 209 14 Survival distributions and failure times 211 14.1 Introduction to survival distributions 211 14.2 The discrete case 212 14.3 The continuous case 213 14.4 Examples 215 14.5 Shifted distributions 216
14.6 The standard approximation 217 14.7 The stochastic life table 219 14.8 Life expectancy in the stochastic model 220 14.9 Stochastic interest rates 221 Notes and references 222 Exercises 222 15 The stochastic approach to insurance and annuities 224 15.1 Introduction 224 15.2 The stochastic approach to insurance benefits 225 15.3 The stochastic approach to annuity benefits 229 15.4 Deferred contracts 233 15.5 The stochastic approach to reserves 233 15.6 The stochastic approach to premiums 235 15.7 The variance of rl 241 15.8 Standard notation and terminology 243 Notes and references 244 Exercises 244 16 Simplifications under level benefit contracts 248 16.1 Introduction 248 16.2 Variance calculations in the continuous case 248 16.3 Variance calculations in the discrete case 250 16.4 Exact distributions 252 16.5 Some non-level benefit examples 254 Exercises 256 17 The minimum failure time 259 17.1 Introduction 259 17.2 Joint distributions 259 17.3 The distribution of T 261 17.4 The joint distribution of (T,J) 261 17.5 Other problems 270 17.6 The common shock model 271 17.7 Copulas 273
Notes and references 276 Exercises 276 Part III ADVANCED STOCHASTIC MODELS 279 18 An introduction to stochastic processes 281 18.1 Introduction 281 18.2 Markov chains 283 18.3 Martingales 286 18.4 Finite-state Markov chains 287 18.5 Introduction to continuous time processes 293 18.6 Poisson processes 293 18.7 Brownian motion 295 Notes and references 299 Exercises 300 19 Multi-state models 304 19.1 Introduction 304 19.2 The discrete-time model 305 19.3 The continuous-time model 311 19.4 Recursion and differential equations for multi-state reserves 324 19.5 Profit testing in multi-state models 327 19.6 Semi-Markov models 328 Notes and references 328 Exercises 329 20 Introduction to the Mathematics of Financial Markets 333 20.1 Introduction 333 20.2 Modelling prices in financial markets 333 20.3 Arbitrage 334 20.4 Option contracts 337 20.5 Option prices in the one-period binomial model 339 20.6 The multi-period binomial model 342 20.7 American options 346 20.8 A general financial market 348
20.9 Arbitrage-free condition 351 20.10 Existence and uniqueness of risk neutral measures 353 20.11 Completeness of markets 358 20.12 The Black Scholes Merton formula 361 20.13 Bond markets 364 Notes and references 372 Exercises 373 Part IV RISK THEORY 375 21 Compound distributions 377 21.1 Introduction 377 21.2 The mean and variance of S 379 21.3 Generating functions 380 21.4 Exact distribution of S 381 21.5 Choosing a frequency distribution 381 21.6 Choosing a severity distribution 383 21.7 Handling the point mass at 0 384 21.8 Counting claims of a particular type 385 21.9 The sum of two compound Poisson distributions 387 21.10 Deductibles and other modifications 388 21.11 A recursion formula for S 393 Notes and references 398 Exercises 398 22 Risk assessment 403 22.1 Introduction 403 22.2 Utility theory 403 22.3 Convex and concave functions: Jensen s inequality 406 22.4 A general comparison method 408 22.5 Risk measures for capital adequacy 412 Notes and references 417 Exercises 417 23 Ruin models 420 23.1 Introduction 420
23.2 A functional equation approach 422 23.3 The martingale approach to ruin theory 424 23.4 Distribution of the deficit at ruin 433 23.5 Recursion formulas 434 23.6 The compound Poisson surplus process 438 23.7 The maximal aggregate loss 441 Notes and references 445 Exercises 445 24 Credibility theory 449 24.1 Introductory material 449 24.2 Conditional expectation and variance with respect to another random variable 453 24.3 General framework for Bayesian credibility 457 24.4 Classical examples 459 24.5 Approximations 462 24.6 Conditions for exactness 465 24.7 Estimation 469 Notes and References 473 Exercises 473 Appendix A review of probability theory 477 A.1 Sample spaces and probability measures 477 A.2 Conditioning and independence 479 A.3 Random variables 479 A.4 Distributions 480 A.5 Expectations and moments 481 A.6 Expectation in terms of the distribution function 482 A.7 Joint distributions 483 A.8 Conditioning and independence for random variables 485 A.9 Moment generating functions 486 A.10 Probability generating functions 487 A.11 Some standard distributions 489 A.12 Convolution 495
A.13 Mixtures 499 Answers to exercises 501 References 517 Index 000 Ordering: Order Online - http://www.researchandmarkets.com/reports/2866022/ Order by Fax - using the form below Order by Post - print the order form below and send to Research and Markets, Guinness Centre, Taylors Lane, Dublin 8, Ireland.
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