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Federal Crop Insurance Ratemaking and Profitability Projections
October 25, 2010
Richard Bill, FCAS, MAAA
R. A. Bill Consulting
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Overview
• Coverage• Perils Insured• Federal/Private Partnership• Coverage Examples• Ratemaking Considerations• Profitability Considerations• Standard Reinsurance Contract (SRA)• Projected Profitability
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Coverage Provided
• The policy Guarantees the yield of the crop or the revenue from the crop
• Loss is not one event but is based on crop production (and price for Revenue Insurance) at the end of the season
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Perils Insured
• Too Dry (Large Area)• Too Wet• Hail• Insects• Prevented Planting• All other Risks except poor farming practices• Price (Revenue products only)
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Seven Prerequisites of Insurable Risk
#7-”Unlikely to produce loss to a great many insured units at the same
time”
Mehr & Cammack; Principles of Insurance; 1972
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Federal/Private Partnership
• Began strictly as a Govt Program in 30’s• Small program until Private Industry began
participating in the early 80’s• Private Companies took over all delivery in the
90’s• Safety Net for Nation’s Farmers• Intended to replace Free Ad Hoc Disaster
Payments
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Growth of Crop Program1981 2009
Acres Insured ~ 50 M 265 MPremium 377 M 8.9 BAverage Premium Subsidy <30% 61%Expense Reimbursement 32% ~18%# Private Companies 30 16
Note: Includes Business Produced by Govt Agents
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Federal Government Role• Programs and Policy language• Rates (All companies charge same rates)• A&O Expense reimbursement to the companies
(Expenses are not built into the rate) • Pays a portion of the Farmer’s premium (about 60%
in addition to the expense reimbursement)• Oversight• Provides Reinsurance to Private Companies• Program administered thru the Risk Management
Agency (RMA) which is part of the United States Dept. of Ag (www.rma.usda.gov)
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Private Industry Role
• Provides distribution system through their agents
• Issues policies on their paper• Adjusts Claims• Retains risk after Government Reinsurance
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Two Types of Plans
• Individual Farmer Plan• Guarantee based on Farmer’s actual
production• Up to 10 years of individual farmer yield history
used to establish the guarantee
• Group Plan • Guarantee based on yield history of a larger
area or an index• Basis Risk
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Individual Farmer Guarantee
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Yield Product Guarantee
• Yield Guarantee=Actual Production History (APH) X Coverage Level
• Example-200 Bushels per acre X 75% Coverage Level = 150 Bushels per acre
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Revenue product Guarantee
• Revenue Guarantee=APH X Anticipated Price Per Bushel X Coverage Level
• Example-200 Bushels per acre X $4 per Bushel X 75% = $600 per acre
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Coverage Level
• Generally from 50% to 85%
• Acts like a deductible
• Example – 75% coverage level is really a 25% Deductible.
• A 25% loss is needed before any payment is made
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Corn Example
Expected Value Actual %Spring Harvest of Expected
(1) Yield Bushels Per Acre 200 160 80%(2) Acres 100 100 (3) Production in Bushels (1) X (2) 20,000 16,000 80%
(4) Price Per Bushel 4.00$ $2.50(5) Revenue per Acre (1) X (4) 800$ $400 50%(6) Revenue (3) X (4) 80,000$ $40,000 50%
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Expected Yield Bushels Per Acre
• Minimum of 4 years of average yield for individual Farmer
• Building up to 10 years of history
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Expected Price – CBOT Corn Futures Feb 2011
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Corn Futures-CBOT o| Open Outcry Futures Market Data is delayed at least 10 minutes View Spread Quotes
About this ReportTurn Auto-refresh |
Month Charts Last Change Prior Settle
Open High Low Volume Hi /
Lo Limit
Mar 2011
504'2 -8'2 512'4 512'2 514'4 490'0 13,776 542'4 482'4
May 2011
509'0 -9'2 518'2 518'0 520'0 503'4 4,872 548'2 488'2
Jul 2011
512'4 -8'6 521'2 521'0 522'6 506'4 8,224 551'2 491'2
Sep 2011
486'4 -8'2 494'6 494'6 495'4 483'0 1,427 524'6 464'6
Dec 2011
400'0 -7'6 477'6 476'0 478'6 463'6 10,907 507'6 447'6
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Corn Example
Expected Value Actual %Spring Harvest of Expected
(1) Yield Bushels Per Acre 200 160 80%(2) Acres 100 100 (3) Production in Bushels (1) X (2) 20,000 16,000 80%
(4) Price Per Bushel $4.00 $2.50(5) Revenue per Acre (1) X (4) $800 $400 50%(6) Revenue (3) X (4) $80,000 $40,000 50%
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Corn Example
Expected Value 75% Cov Lvl ActualSpring Guarantee Harvest Loss
(1) Yield Bushels Per Acre 200 150 160 (2) Acres 100 100 (3) Production in Bushels (1) X (2) 20,000 14,000 16,000 -$
(4) Price Per Bushel 4.00$ $2.50(5) Revenue per Acre (1) X (4) 800$ 600.00$ $400(6) Revenue (3) X (4) 80,000$ 60,000$ $40,000 20,000$
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MPCI Ratemaking
• Simplified in the interest of time.
• Rates controlled by RMA
• Paper in the Winter 2000 Forum by Schnapp, Driscoll, Zacharias, and Josephson which describes ratemaking in detail
• Also see RMA website www.rma.usda.gov– “A Comprehensive Review of RMA APH and COMBO Rating”
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Ratemaking (Cont.)
• Losses and Liability are converted to common coverage level
• Basic ratemaking unit is County. A Loss Cost per $100 of Liability is Calculated for each County by year
• Catastrophe procedure
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Ratemaking (Cont.)
• A maximum of 60% credibility is assigned to the County Loss Cost
• The remainder of the credibility is assigned to “Simple circle Loss Cost “ which is a weighted average of the surrounding Counties Loss Cost
• Loading for Unforeseen Losses
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Ratemaking (Cont.)
• Pure premium method of ratemaking (also known as loss cost or loss cost ratio method).
• Experience period is much longer due to volatility (introduces problems if current experience is different than older years).
• Expenses are not loaded into the premium.
• Revenue guarantees – every farmer could have a loss the same year
• Basic unit of ratemaking is county.
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Pure Premium Method
• Does not employ actual premiums charged to policyholder.
• Pure Premium = Losses / Exposure
• Exposure in crop insurance is the amount of coverage which is referred to as liability.
• Example – if losses were $1.5M and liability were $100M, the pure premium would be .015 or 1.5%.
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First Steps-APH Rate
• Loss experience by county for 1975 forward.
• Losses and liability are adjusted to common level of coverage (65% Level).
• Catastrophe procedure.
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Next Steps
• Adjust for Credibility – surrounding counties pure premium is weighted with the pure premium determined in the last slide. The higher the volume, the more weight given to the county’s own pure premium.
• Base Rate Loadings.
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Coverage Level Differentials
• The rates derived above are for the 65% coverage level.
• Rates for other coverage levels are derived from these rates using coverage level differentials.
• The differentials are based on the historical experience of the various coverage levels.
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Example of Coverage Level Factors
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Average Yield Differentials
The county rates developed to this point reflect rates for producers with APH yields at or near the county average yield. RMA research has demonstrated that, on average, the probability of a loss is greater for producers with a yield lower than the average for an area and vice versa. Thus, rates based on the average LCR for a county may be too low for producers with a lower APH and too high for producers with a higher APH. To address this, the RMA has developed a formula to adjust the base rate for yield differentials.
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Revenue Ratemaking
• All farmers can have a loss the same year if prices are low enough.
• Difficult to insure Price
• Adverse selection if Product is not Rated Correctly
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• Yield Risk
– APH rates at 65% coverage level.
• Price Risk
– Commodity Markets options based volatility measure-Black Scholes Model
• Yield Risk x Price Risk = Revenue Risk
– Distributions of yield and revenue risk by county must be developed in order to model revenue risk.
Basic Approach
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Simulated Revenue Risk
• Yield Distribution x Price Distribution = Revenue Distribution
• Assumes negative price-yield correlation.
• Losses are simulated from the theoretical revenue distribution.
• Loss costs are calculated from the simulated losses.
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Simulation Example
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Private IndustryProfitability Considerations
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Standard Reinsurance Contract (SRA)
• Standard Contract for all of the Private Companies that specifies all the Terms of the Govt/Private Sector Partnership
• New Contact Just negotiated that went into effect July 1, 2010 for 2011 Crop Year
• Savings to Govt of $6 B over 10 years
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Federal Crop Loss Ratios
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Less than 11 - 1.5Greater than 1.5
Aggregate Loss Ratio, 1981 - 2002
Source: Joe Glauber’s Presentation40
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Projected Profitability• 1981-2009 Average Loss Ratio was 115%• Much better recently (improvement in
experience or weather cycle?)• Little or no investment income• Highly catastrophe line requiring higher
risk charge• Low expense reimbursement (A&O)• Can Companies make Money???
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Assigned Risk Commerical Fund
Policies that are significantly under priced with the risk being primarily born by the Federal Govt
Policies that the companies chose to take the maximum amount of risk
Categories of Funds
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Terms-Commercial Fund SRA Differences by State
• Each State stands on its own• States with favorable past loss ratios have different
Reinsurance terms than all other States i.e., IL, IN, IA, MN, NE (State group #1 representing 34% of the 2009 Premium
• State Group 3 States are underserved States• All remaining States are Group 2• Stop loss Terms for Groups 2 & 3 are the same and
are much more favorable than Group 1• Companies retain minimal risk for Assigned Risk
policiesRABill Consulting 44
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2010 Final SRA Commercial Fund Gain or (Loss) Applies to each State Separately
LOSS State Group 1 State Groups 2&3RATIO Profit (Loss) Profit (Loss)
550% -94.0% -51.5%500% -94.0% -51.5%400% -84.0% -46.5%250% -69.0% -39.0%200% -57.0% -33.5%160% -39.0% -25.5%145% -29.3% -19.1%130% -19.5% -12.8%110% -6.5% -4.3%100% 0.0% 0.0%90% 7.5% 9.8%80% 15.0% 19.5%70% 22.5% 29.3%50% 32.3% 40.1%0% 34.8% 42.6% 45
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Modeling Profitability
• Most states appear to have Lognormal Distribution with Original Coefficient of Variation of between 50% and 125%
• I used Lognormal Distribution for illustration purposes
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State XYZ-Commercial FundLognormal Loss Ratio Distribution
Mean = 110%; Median = 88%Coefficient Of Variation = 75%
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Calculation of Expected ProfitibilityState XYZ-Commerical Fund-State Group 2Expected Loss Ratio = 110%; COV = 75%
(1) (2) (3) (4) (5)Cumulative Company
Loss Ratio Distribution Incremental Avg Loss RetainedFrom To F(X) Area Ratio Gain (Loss)*
0% 50% 19.9% 19.9% 36.0% 40.8%50% 65% 32.5% 12.6% 57.5% 37.1%65% 100% 57.6% 25.1% 81.5% 18.1%
100% 160% 81.5% 23.9% 125.8% -11.0%160% 220% 91.5% 10.0% 185.7% -30.6%220% 500% 99.5% 8.0% 292.9% -41.1%500% Plus 100.0% 0.5% 629.9% -51.5%
Weighted Average of Col (3) and Col (5) = Expected Gain = 8.1%
*Based on 2011 Crop Year Reinsurance Contract (SRA)
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Long Term Expected Underwriting Gain based on Log Normal DistributionState Group 2 and 3
Long Term Coefficient of VariationLoss Ratio 50% 75% 90% 100% 110% 120%
80% 19.6% 20.1% 20.6% 21.0% 21.4% 21.8%90% 14.2% 15.9% 16.9% 17.5% 18.1% 18.7%
100% 9.1% 11.9% 13.3% 14.2% 15.0% 15.7%110% 4.3% 8.1% 9.9% 11.0% 12.0% 12.9%120% -0.2% 4.5% 6.7% 8.0% 9.1% 10.2%130% -4.3% 1.1% 3.7% 5.1% 6.5% 7.7%140% -8.0% -2.0% 0.8% 2.5% 3.9% 5.3%150% -11.4% -4.9% -1.8% -0.1% 1.5% 3.0%
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Other Considerations• The Profit on the previous pages only
applies to the Commercial Fund. • Underwriting Gain Dollars reduced by:
• Assigned Risk Fund cession• 6.5% Mandatory Quota Share
• Does not consider any shortfall of the A&O Expense Allowance
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Final Considerations
• Profitability varies considerably from state to state
• Complex models are available to help decide which fund each policy should be assigned
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