PROCEEDINGS May 15, 16, 17, 18, 2005 - Casualty Actuarial Society

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80 RISKINESS LEVERAGE MODELSSUPPLEMENTARY MATERIAL1. Seminar notes from the <strong>2005</strong> Seminar on Reinsurance on“Risk Load, Profitability Measures, and Enterprise RiskManagement” may be downloaded from the CAS WebSite.2. Abbreviations and NotationCAR, Capital Adequacy RatioCo-TVAR, Co-Tail Value at RiskCo-XTVAR, Co-Excess Tail Value at RiskELR, Expected Loss RatioEVA, Economic Value AddedLOB, Line of BusinessLOC, Letter of CreditRMK algorithm, a conditional risk allocation methodROE, Return on EquityRORAC, Return on Risk-Adjusted CapitalRROC,RiskReturnonCapitalAfterRentalCostofCapitalTVAR, Tail Value at RiskVAR, Value at RiskXTVAR, Excess Tail Value at Risk
RISKINESS LEVERAGE MODELS 81EXHIBIT 1.1Summary of Model Assumptions1. Payout Patterns were generated based upon an exponential settlement lag distributionwith mean lags to settlement of one year, five years, and ten years for LOB 1-3,respectively. Thus, the payout patterns for LOB 1-3 can be characterized as Fast,Average, and Slow, respectively. Payments are assumed to be made in the middle ofeach year.2. Interest is credited on supporting surplus using risk free rates for bonds of durationequal to the average payment lag in each line of business. In this example, interestrates of 3%, 4% and 5% for LOB 1-3, respectively, were assumed. These are thesame rates that are used to calculate Net Present Value (NPV) reserves, interest onsupporting surplus, and the NPV Reserves Capital component of Required RatingAgency Capital.3. For simplicity, interest rates and payment patterns are assumed to be deterministic.4. Profitability measures are computed before taxes, overhead, and returns on capitalexcess of the rating agency required capital.Example Key Assumptions Purpose of Example1 Write equal amounts of premium in three linesof business.Base example with noreinsurance.Pricing is accurate, as the Plan Loss Ratiosequal the true ELR’s. The ELR’s are equal to80% for all three lines. No reinsurance ispurchased. Aggregate losses are assumed to bemodeled accurately by lognormal distributionswith coefficients of variation of 80%, 20% and40% for LOB 1-3, respectively. The correlationbetween LOB 1 and LOB 2 losses is 50%.2 Same assumptions as in Example 1, except a30% xs 90% Loss Ratio Stop Loss reinsuranceprogram is purchased for LOB 1 at a 10% rate.3 Same assumptions as in Example 1, except a50% Quota Share is purchased for LOB 1 withcommission just covering variable costs.Test impact of stop lossreinsurance program forLOB 1.Test impact of quota sharereinsurance program forLOB 1.
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VOLUME XCII NUMBERS 176 and 177PROC
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FOREWORDActuarial science originate
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2005 PROCEEDINGSCONTENTS OF VOLUME
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2005 PROCEEDINGSCONTENTS OF VOLUME
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Editorial Committee, Proceedings Ed
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WHEN CAN ACCIDENT YEARS BE REGARDED
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THE “MODIFIED BORNHUETTER-FERGUSO
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ADDRESS TO NEW MEMBERS-NOVEMBER 14,
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MINUTES OF THE 2005 CAS ANNUAL MEET
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REPORT OF THE VICE PRESIDENT-ADMINI
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2005 EXAMINATIONS—SUCCESSFUL CAND
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OBITUARIESROBERT GRANT ESPIECLYDE H
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OBITUARIES 825SIDNEY M. HAMMER1931
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OBITUARIES 827J. GARY LaROSE1947—
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OBITUARIES 829PAUL J. SCHEEL SR.193
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OBITUARIES 831LEO M. STANKUSCirca 1
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INDEX TO VOLUME XCIIPage2005 EXAMIN
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835GRAVES, CLYDE H.INDEX—CONTINUE
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837INDEX—CONTINUEDREPORT OF THE V
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PROCEEDINGS May 15, 16, 17, 18, 2005 - Casualty Actuarial Society

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