Economic Capital Modeling A Key Part of the ERM Process Ronald T. Kuehn, FCAS, MAAA, CERA, CPCU, ARM, FCA Consulting Actuary, Huggins Actuarial Services, Inc. Definition of Economic Capital • Economic Capital is defined as – Sufficient surplus to cover adverse outcomes or to meet a business objective – With a given level of risk tolerance – Over a specified period of time 107th MAMA Convention 2 Definition of an Economic Capital Models (ECM) • One primary tool to assess risk in an insurance organization • Simulates the internal operations of the company relative to the external environment within which it is operating • Indicates future levels and volatility of profitability, and • Estimates appropriate amounts of capital to hold 107th MAMA Convention 3 A Brief History of ECM 1980’s 1990’s • Life Insurance Industry • Cash flow modeling to assess variations from mortality assumptions used to price life insurance and annuities • P & C Insurance Industry – Lacks Correlations • Dynamic Financial Analysis (DFA) • Stochastic approach to estimating hazard interactions impacting financial condition 107th MAMA Convention 4 A Brief History of ECM 2000’s Today • Economic Capital Modeling (ECM) • Probability-based scenario generator for future financial results of an insurance enterprise • Full ECM include Underwriting, Reserve, Natural Catastrophe, Asset, and Credit Risks • Critical factor – Correlation among Risks • Aggregating these risks into a common model • Producing plausible alternative financial outcomes 107th MAMA Convention 5 ECM Can …. • Model – – – – – – Company or Product Risk Profiles Risk Tolerance, Constraints & Strategies Insurance Pricing & Business strategies Performance Measurements Capital Adequacy & Budgeting Incentive Compensation Investment & Risk-Adjusted Rates of Return – Merger & Acquisition Pricing Details – Capital Allocation Among Business Units 107th MAMA Convention 6 Key Risks Being Measured by a Comprehensive Economic Capital Model Underwriting Market Cycles Reinsurance Loss Volatility Credit Risk Reserve Adequacy Program Efficacy Catastrophe Cat Event Loss Volatility Reserving Payment Patterns Other ECM Investment Key Risks Operational Reputational 107th MAMA Convention 7 Benefits of an Economic Capital Model Compliance Related ECM – Satisfy rating agency and regulatory criteria/inquiries – Aid in discussions with rating agencies and regulators – Capital adequacy measured against a company’s risk profile 107th MAMA Convention 8 Benefits of an Economic Capital Model Compliance Related • A.M. Best’s Supplemental Rating Questionnaire (no longer asks the ECM question as of year-end 2013) – Q 56: ECM – Risk Identification & Monitoring – Q 57: Frequency of Update to ECM and Measurement of Aggregate Risk – Q 58: Impact of Calendar Year Inflation on Reserves – Strong emphasis on Catastrophe Management (Updated as of January 14th, 2014) • Preparation of the ORSA summary report • Essential for Solvency II Compliance 107th MAMA Convention 9 Benefits of an Economic Capital Model Value Beyond Compliance More to gain from ECM than compliance • Improves risk awareness at all levels • Enables better risk/reward decisions making • Facilities linking strategy with planning • Empowers firm to improve value for stakeholders • Provides a competitive advantage including reduced cost of capital (University of Georgia Study 2013) 107th MAMA Convention 10 Insurance Companies & ECM A.M. Best 2010 ERM SRQ: • Overall 28% of respondents use ECM to quantify aggregate risk • Large (55%), • Medium (33%), and • Small (17%) • 8% use ECM for management compensation NAIC moving with European regulator EIOPA ? – Solvency II will allow companies capital relief by use of internal ECM rather than standard model 107th MAMA Convention 11 Insurance Companies & ECM • Savvy Investors, media, and the financial community speak language of risk modeling (VaR, TVaR, PML, etc.) • Demand more disclosure of metrics from ECMs. • Developing ECM is costly as it requires: • • • • • Acquiring actuarial and financial expertise Collecting of significant volume data Analyzing data to develop risk parameters Licensing or building ECM software platform Validating the model and organizing the management process for audit 107th MAMA Convention 12 Existing Capital Adequacy Measures • RBC (Risk-Based Capital) Ratio – Implemented by the NAIC in the 1990’s – Formulaic estimate of necessary surplus and comparison to reported surplus – Used to authorize regulatory intervention into financiallydistressed • NAIC ORSA (Own Risk and Solvency Assessment) – Companies with at least $500 M WP – Group with at least $1B WP – Effective circa 2015 107th MAMA Convention 13 Insurance Companies & ECM • Rating Agency Measures: BCAR and others – Both formulaic and simulation-based – Used as significant input into assignment of financial strength ratings – Lack full transparency, as not all parameters are made public 107th MAMA Convention 14 Insurance Companies & ECM • Economic Capital Models (ECM’s) – Simulation based – Direct calculation of Economic Capital needed – Many other uses in addition to Economic Capital measure 107th MAMA Convention 15 Basic Inputs to an Economic Capital Model Balance Sheet Inputs: • Assets • • • • Cash Bonds Common Stock Other Asset Classes • Liabilities • • • • Loss and Loss Adjust Reserves by Line / Subline Payment patterns for Existing Reserves Unearned Premium Reserve Other Liabilities 107th MAMA Convention 16 Basic Inputs to an Economic Capital Model (Line of Business Inputs) • • • • • Direct Written Premium Claim Payout Pattern for Newly Generated Loss Underwriting Expenses Earnings Pattern Operational Risk – Lognormal Distribution 107th MAMA Convention 17 Basic Inputs to an Economic Capital Model (Cause of Loss) • Frequency and Severity Model – Frequency of Individual Claims with No Correlation – Claim Frequency Distribution - Examples • Poisson – often selected • Negative Binomial • Binomial 107th MAMA Convention 18 Basic Inputs to an Economic Capital Model (Cause of Loss) • Frequency and Severity Model – Severity of Individual Claims with No Correlation – Claim Severity Distribution - Examples • • • • • • • Lognormal – often selected Exponential Gamma Generalized Pareto Normal Uniform Weibull 107th MAMA Convention 19 Basic Inputs to an Economic Capital Model (Cause of Loss) • Aggregate Loss Model – Aggregate claims model can incorporate copulas (i.e., correlation between lines of business) • Aggregate Loss Distribution Examples • Lognormal • Generalized Pareto • Normal • Uniform • Weibull 107th MAMA Convention 20 Basic Inputs to an Economic Capital Model (Cause of Loss) • Selection of Copulas - adds correlation between lines of business • Normal Copula – linear correlation coefficient • Student’s T Copula – varies weight of coefficients in tail of distribution • HRT Copula – more weight in right tail of distribution • Partial Perfect Copula – mixes perfect correlation with uncorrelated 107th MAMA Convention 21 Basic Inputs to an Economic Capital Model (Reinsurance Inputs) • Reinsurance Contract Terms • Per Risk • Excess • Corridors • Ceded Premium • Ceded Reinsurance Attachment Point • Ceded Reinsurance Limit • Specific Catastrophe Reinsurance Terms • Reinsurance Catastrophe Modeling Results (i.e. AIR, EQECAT, RMS) 107th MAMA Convention 22 Basic Inputs to an Economic Capital Model (Economic Scenarios) • Leading edge economic models, providing full market risk and asset class coverage • Estimates inflationary changes, wage & CPI • Estimates of investment returns and default risk: • US Treasury bonds • US, United Kingdom, and Euro stock markets • Emerging Markets stocks • Blue Chip Stocks • Corporate and Municipal bonds of varying quality • Master Limited Partnerships • Real Estate Investment Trusts (REITs) • Mortgage Backed Securities 107th MAMA Convention 23 Basic Outputs from an Economic Capital Model Outputs include but are not limited to: • Over 180 customizable reports • Cumulative Probability Density Functions • Compare results from differing assumptions • Include effect of catastrophe losses • Calculates Value at Risk (VaR) & Tail Value at Risk (TVaR) • Pro Forma Financial Statements • Balance Sheet • Income Statement • Number of projected years is flexible 107th MAMA Convention 24 ECM - Key Risk Metrics • Value at Risk (VAR) – Maximum loss at no more than one minus the confidence level • Tail Value at Risk (TVaR) – Expected loss in worst X percentage of distribution; also called CTE • Risk Adjusted Performance – Measure risk adjusted returns on some established capital amount • Return on Equity – Simple accounting performance metric 107th MAMA Convention 25 Happy Valley Insurance Company Case Study Line of Businesses: General Liability Workers’ Compensation Property Miscellaneous Write Businesses in 13 States on the East Coast 107th MAMA Convention 26 Happy Valley Insurance Company Base Case - Liabilities & Surplus As of 12/31/2014 Liabilities Values Net L&LAE Reserve $ 22.75 M Net UEPR $ 23.10 M Other Liabilities $ 4.72 M Total Liabilities $ 50.57 M Capital & Surplus $ 20.87 M Liabilities & Surplus $ 71.44 M 107th MAMA Convention 27 Happy Valley Insurance Company Base Case - Assets by Class As of 12/31/2014 Assets Bonds Stocks Cash Other Invested Total Invested Uncollected Premium Other Assets Total Assets Values $ 43.40 M $ 1.25 M $ 5.50 M $ 0.30 M $ 50.45 M $ 17.00 M $ 4.00 M $ 71.45 M 107th MAMA Convention 28 Happy Valley Insurance Company Base Case - Earned Premium 2015 As of 12/31/2014 Lines of Business Gross EP Ceded EP Net EP $ 6.40 M $ 0.60 M $ 5.80 M Workers’ Compensation $ 3.70 M $ 1.00 M $ 2.70 M Property $ 35.90 M $ 11.00 M $ 24.90 M Total All Lines $ 46.00 M $ 12.60 M $ 33.40 M General Liability 107th MAMA Convention 29 Happy Valley Insurance Company Base Case - Reinsurance Program Reinsurance For All Years 2015 - 2019 Line of Base Case Business Retention General Liability Workers' Comp Property Per Risk $1.10 M $0.50 M $0.50 M Line of Business Catastrophe Layers Property Cat $ 4.00 M X/S $ 6.00 M $10.00 M X/S $10.00 M $20.00 M X/S $20.00 M $40.00 M X/S $40.00 M 107h MAMA Convention 30 Happy Valley Insurance Company Base Case ECM Results Surplus at Various Confidence Intervals Probability 2015 VaR 2019 VaR Solvency II Standard 0.010% $ (7.49) M 0.079% $ 0M 0.491% $ 7.16 M 0.500% $ 7.21 M 50.000% $ 23.53 M 75.000% $ 24.57 M 99.000% $ 26.39 M 99.500% $ 26.62 M Mean $ 22.58 M Year - End 2014 Surplus $ (27.03) M $ (14.46) M $ 0M $ 0.09 M $ 32.29 M $ 36.60 M $ 43.68 M $ 44.49 M $ 30.81 M $ 20.87 M *Results of 100,000 Monte Carlo Simulations 107th MAMA Convention 31 Happy Valley Insurance Company Alternative Investment Scenario • In the Base Case scenario, Happy Valley invests in: • Government bonds, • Blue chip stocks • Cash • Miscellaneous other assets • In the Alternative Investment Scenario, Happy Valley increases its investment in: • Blue chip stocks and • Adds a substantial investment in master limited partnerships (MLP’s) 107th MAMA Convention 32 Happy Valley Insurance Company Comparison of Investment Distribution Investment Percentage Assets Bonds Stocks MLP's Cash Other Total Yield 2.50% 0.00% 6.00% 0.10% 0.00% Base Case 60.70% 1.70% 0.00% 7.70% 29.90% 100.00% Alternative 45.00% 3.50% 14.00% 7.70% 29.80% 100.00% 107th MAMA Convention 33 Happy ValleyInsurance Insurance Company Happy Valley Company Alternative Investment Scenario ECM Results Alternative Investments Surplus at Various Confidence Intervals Probability 2015 VaR 2019 VaR Solvency II Standard 0.010% $ (6.91) M 0.080% $ 0M 0.340% $ 6.27 M 0.500% $ 7.45 M 50.000% $ 23.75 M 75.000% $ 25.10 M 99.000% $ 28.08 M 99.500% $ 28.56 M Mean $ 22.99 M Year - End 2014 Surplus $ (27.15) M $ (13.01) M $ 0M $ 2.41 M $ 34.78 M $ 39.69 M $ 49.75 M $ 51.15 M $ 33.64 M $ 20.87 M *Results of 100,000 Monte Carlo Simulations 107th MAMA Convention 34 Happy Valley Insurance Company Case Study - Buys Small Auto Insurer • In the Base Case scenario, Happy Valley invests in: • Government bonds • Blue chip stocks • Cash • Miscellaneous other assets • In the second alternative, Happy Valley uses excess surplus, to buy small, profitable personal auto insurer • Costs $2.3 million over book value • Assumes $5.0 million in net loss & loss adjustment reserves • Assumes $3.5 million in unearned premium reserves 107th MAMA Convention 35 Happy Valley Insurance Company Buy Auto Insurer - Liabilities & Surplus As of 12/31/2014 Liabilities Values Net L&LAE Reserve $ 27.75 M Net UEPR $ 26.60 M Other Liabilities $ 4.72 M Total Liabilities $ 59.07 M Capital & Surplus $ 18.53 M Liabilities & Surplus $ 77.61 M 107th MAMA Convention 36 Happy Valley Insurance Company Buy Auto Insurer - Assets by Class As of 12/31/2014 As of 12/31/2014 Assets Values Assets Values $49.60 M M BondsBonds $ 49.56 $1.25 M M StocksStocks $ 1.25 Cash $5.50 M Cash $ 5.50 M Other Invested $0.30 M Other Invested $ 0.30 Total Invested $56.65 M M Total Invested $ 56.61 M Uncollected Premium $17.00 M M Uncollected Premium $ 17.00 $4.00 M M Other Other AssetsAssets $ 4.00 Total Assets $77.65 M Total Assets $ 77.61 M 107th MAMA Convention 37 Happy Valley Insurance Company Buy Auto Insurer - Earned Premium 2015 As of 12/31/2014 Lines of Business Gross EP Ceded EP Personal Auto $ 7.20 M $ 2.00 M General Liability $ 6.40 M $ 0.60 M Workers’ Compensation $ 3.70 M $ 1.00 M Property $ 35.90 M $ 11.00 M Total All Lines $ 53.20 M $ 14.60 M Net EP $ 5.20 M $ 5.80 M $ 2.70 M $ 24.90 M $ 38.60 M 107th MAMA Convention 38 Happy Valley Insurance Company Buy Auto Insurer - ECM Results Surplus at Various Confidence Intervals Probability 2015 VaR 2019 VaR Solvency II Standard 0.010% $ (9.48) M 0.100% $ 0M 0.480% $ 5.13 M 0.500% $ 5.22 M 50.000% $ 21.53 M 75.000% $ 22.60 M 99.000% $ 24.47 M 99.500% $ 24.71 M Mean $ 20.59 M Year - End 2014 Surplus $ (27.17) M $ (10.75) M $ 0M $ 0.15 M $ 31.90 M $ 36.22 M $ 43.42 M $ 44.19 M $ 30.47 M $ 18.53 M *Results of 100,000 Monte Carlo Simulations 107th MAMA Convention 39 Happy Valley Insurance Company Case Study – Alternative Reinsurance • In the third alternative scenario, Happy Valley reduces its reliance on reinsurance by: • Doubling retention on General Liability • Doubling retention on Property Per Risk • Eliminating first Catastrophe layer Graphic: RadientSkies/123RF.com 107th MAMA Convention 40 Happy Valley Insurance Company Alternative Reinsurance – Liabilities & Surplus As of 12/31/2014 - Same as Base Case Liabilities Values Net L&LAE Reserve $ 22.75 M Net UEPR $ 23.10 M Other Liabilities $ 4.72 M Total Liabilities $ 50.57 M Capital & Surplus $ 20.87 M Liabilities & Surplus $ 71.44 M Graphic: RadientSkies/123RF.com 107th MAMA Convention 41 Happy Valley Insurance Company Alternative Reinsurance - Assets by Class As of 12/31/2014 – Same as Base Case Assets Values Bonds $ 43.40 M Stocks $ 1.25 M Cash $ 5.50 M Other Invested $ 0.30 M Total Invested $ 50.45 M Uncollected Premium $ 17.00 M Other Assets $ 4.00 M Total Assets $ 71.45 M Graphic: RadientSkies/123RF.com 107th MAMA Convention 42 Happy Valley Insurance Company Comparison of Reinsurance Program Reinsurance For All Years 2015 - 2019 Line of Base Case Alternative Business Retention Retention General Liability Workers' Comp Property Per Risk $1.10 M $0.50 M $0.50 M $2.20 M $0.50 M $1.00 M Line of Business Catastrophe Original Layers Catastrophe Alternative Layers Property Cat $ 4.00 M X/S $ 6.00 M $10.00 M X/S $10.00 M $20.00 M X/S $20.00 M $40.00 M X/S $40.00 M $10.00 M Retention $10.00 M X/S $10.00 M $20.00 M X/S $20.00 M $40.00 M X/S $40.00 M Graphic: RadientSkies/123RF.com 107h MAMA Convention 43 Happy Valley Insurance Company Alternative Reinsurance - ECM Results Surplus at Various Confidence Intervals Probability 2015 VaR 2019 VaR Solvency II Standard 0.010% $ (11.81) M 0.166% $ 0M 0.500% $ 4.65 M 0.588% $ 5.31 M 50.000% $ 24.48 M 75.000% $ 25.53 M 99.000% $ 27.35 M 99.500% $ 27.58 M Mean $ 23.32 M Year - End 2014 Surplus $ (31.88) M $ (9.60) M $ (1.04) M $ 0M $ 37.19 M $ 42.23 M $ 50.48 M $ 51.41 M $ 35.43 M $ 20.87 M *Results of 100,000 Monte Carlo Simulations Graphic: RadientSkies/123RF.com 107th MAMA Convention 44 Happy Valley Insurance Company Case Study – $1.8 M Dividend Per Year • In the Base Case scenario, Happy Valley invests in: • Government bonds • Blue chip stocks • Cash • Miscellaneous other assets • In the fourth alternative scenario, Happy Valley begins to pay its shareholders $1.8 million of dividends per year beginning in 2015 to reduce under-utilized surplus. Graphic: CSA Images / B&W Engrave Ink Collection / Getty Images 107th MAMA Convention 45 Happy Valley Insurance Company $1.8 M Dividend Per Year – Liabilities & Surplus As of 12/31/2014 - Same as Base Case Liabilities Values Net L&LAE Reserve $ 22.75 M Net UEPR $ 23.10 M Other Liabilities $ 4.72 M Total Liabilities $ 50.57 M Capital & Surplus $ 20.87 M Liabilities & Surplus $ 71.44 M Graphic: CSA Images / B&W Engrave Ink Collection / Getty Images 107th MAMA Convention 46 Happy Valley Insurance Company $1.8 M Dividend Per Year - Assets by Class As of 12/31/2014 – Same as Base Case Assets Values Bonds $ 43.40 M Stocks $ 1.25 M Cash $ 5.50 M Other Invested $ 0.30 M Total Invested $ 50.45 M Uncollected Premium $ 17.00 M Other Assets $ 4.00 M Total Assets $ 71.45 M Graphic: CSA Images / B&W Engrave Ink Collection / Getty Images 107th MAMA Convention 47 Happy Valley Insurance Company $1.8 M Dividend Per Year - Same as Base Case Reinsurance Program Reinsurance For All Years 2015 - 2019 Line of Base Case Business Retention General Liability Workers' Comp Property Per Risk $1.10 M $0.50 M $0.50 M Line of Business Catastrophe Original Layers Property Cat $ 4.00 M X/S $ 6.00 M $10.00 M X/S $10.00 M $20.00 M X/S $20.00 M $40.00 M X/S $40.00 M Graphic: CSA Images / B&W Engrave Ink Collection / Getty Images 107h MAMA Convention 48 Happy Valley Insurance Company $1.8 M Dividend Per Year - ECM Results Surplus at Various Confidence Intervals Probability 2015 VaR 2019 VaR Solvency II Standard 0.010% $ (9.29) M 0.100% $ 0M 0.500% $ 5.41 M 2.480% $ 11.08 M 50.000% $ 21.73 M 75.000% $ 22.77 M 99.000% $ 24.59 M 99.500% $ 24.82 M Mean $ 20.78 M Year - End 2014 Surplus $ (38.10) M $ (22.44) M $ (10.74) M $ 0M $ 23.06 M $ 27.39 M $ 34.45 M $ 35.25 M $ 21.44 M $ 20.87 M *Results of 100,000 Monte Carlo Simulations Graphic: CSA Images / B&W Engrave Ink Collection / Getty Images 107th MAMA Convention 49 Happy Valley Insurance Company Comparison of Key Metrics for Scenarios Scenarios 1 2 3 4 5 Key Metrics 2015 BCAR Base Alternative Buy Auto Alternative Pay $1.8 M Case Investment Insurer Reinsurance Dividends 257.13% 262.53% 211.44% 255.82% 234.02% 2019 BCAR 271.77% 287.90% 241.83% 283.02% 199.51% 1 Yr Prob. of Ruin 0.08% 0.08% 0.10% 0.17% 0.10% 5 Yr Prob. of Ruin 0.49% 0.34% 0.48% 0.59% 2.48% 12/31/2014 Surplus (M) $20.87 $20.87 $18.53 $20.87 $20.87 12/31/2019 Surplus (M) $30.81 $33.64 $30.47 $35.43 $21.44 8.10% 10.02% 10.45% 11.16% 7.84% 5 Yr Annual Adj. ROE 107th MAMA Convention 50 Happy Valley Insurance Company Initial Capital Allocation Using Net 99% VaR Initial Allocation of Year-End 2014 Surplus at 99% VaR Percent Capital LOB 99% VaR of Total Allocation Casualty $ 4.221 M 13.69% $ 2.857 M Workers' Compensation $ 1.900 M 6.16% $ 1.286 M All Other $ 2.551 M 8.27% $ 1.727 M Property $ 22.165 M 71.88% $ 15.003 M Total $ 30.837 M 100.00% $ 20.873 M 107th MAMA Convention 51 Happy Valley Insurance Company Initial Capital Allocation Using Net 50% VaR Initial Allocation of Year-End 2014 Surplus at 50% VaR Percent Capital LOB 50% VaR of Total Allocation Casualty $ 2.335 M 12.83% $ 2.679 M Workers' Compensation $ 1.504 M 8.27% $ 1.726 M All Other $ 0.905 M 4.97% $ 1.038 M Property $ 13.452 M 73.93% $ 15.431 M Total $ 18.197 M 100.00% $ 20.873 M 107th MAMA Convention 52 107th MAMA Convention 53 Ronald T. (Rusty) Kuehn , FCAS, MAAA, CERA, CPCU, ARM, FCA Mr. Kuehn is a consulting actuary with Huggins Actuarial Services, Inc. In his consulting practice he specializes in medical malpractice, private passenger automobile, workers’ compensation and commercial lines coverage working for insurance carriers, selfinsured healthcare systems, self-insured corporations, brokers, municipal bond and mortgage insurance experience, and other types of clients. Mr. Kuehn is professionally active; he served as the chairman of the Casualty Loss Reserve Seminar (CLRS). He has also served on the on the Casualty Practice Council of the American Academy of Actuaries, the CAS Examination Committee and Committee for Consultants’ Interests, and as past President, Education Chairman and Board Member of the Casualty Actuaries of the Mid-Atlantic Region (CAMAR). He currently serves on the Board of the Insurance Society of Philadelphia (ISOP), and he is a member of the ORSA subgroup of the ERM Committee of the Risk Management and Financial Reporting Council of the American Academy of Actuaries. His over forty three years in business have given him a thorough knowledge of the propertycasualty business both from a company and consulting viewpoint. Contact Information: E-mail: [email protected] Cell Phone: 610-892-1823 www.hugginsactuarial.com 107th MAMA Convention 54 Economic Capital Modeling A Key Part of the ERM Process Ronald T. Kuehn, FCAS, MAAA, CERA, CPCU, ARM, FCA Consulting Actuary, Huggins Actuarial Services, Inc.
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