2010 Ratemaking Survey
Presented By: Laura Stevens, ACAS, CCRA John Lewandowski, FCAS, MAAA CAS Annual Meeting Washington, D.C. November 9, 2010
2010 Ratemaking Survey Presented By: Laura Stevens, ACAS, CCRA - - PowerPoint PPT Presentation
2010 Ratemaking Survey Presented By: Laura Stevens, ACAS, CCRA John Lewandowski, FCAS, MAAA CAS Annual Meeting Washington, D.C. November 9, 2010 Objective Companion to 2008 CAS Reserving Survey Ratemaking Survey initially proposed
Presented By: Laura Stevens, ACAS, CCRA John Lewandowski, FCAS, MAAA CAS Annual Meeting Washington, D.C. November 9, 2010
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§ Companion to 2008 CAS Reserving Survey § Ratemaking Survey initially proposed in GRIP paper § Desire to coordinate U.S. with UK, Australia efforts § Desire to cover all aspects of pricing (Personal, Commercial, London market & Reinsurance § Focus on what people are actually using § Global coverage with a comparison of results by region § Report back to the professions (GIRO, CAS Annual, RPM) § Important part of the CAS Research Centennial Goals
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§ UK, US and Australian working parties § Started with Reserve Survey questions § Three separate sets of questions, three interpretations of scope, three time zones….. § Each group came up with recommendations and reviewed other teams questions § Final survey was product of US/UK working parties § Survey included:
§ Rolled out early July until mid-August to:
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602 (46%) finished the survey
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Response by Employer Type
Europe ROW UK US Total Broker/Intermediary 2% 3% 8% 3% 3% Small consulting 7% 4% 1% 5% 4% Large consulting 11% 5% 8% 5% 6% Insurance Information Entity (ISO, NCCI, etc.) 0% 2% 0% 4% 3% Lloyds Syndicate 2% 2% 19% 0% 2% Primary Insurer (Multi-National Multiline) 33% 19% 34% 15% 18% Primary Insurer (National Multiline) 11% 28% 17% 41% 36% Primary Insurer (Regional or Monoline) 0% 13% 4% 19% 16% Regulatory Body 2% 2% 1% 2% 2% Reinsurer 33% 22% 10% 6% 9% 100% 100% 100% 100% 100%
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Response by Length of Experience
non-US responses.
US.
36% for US.
actuaries.
0% 5% 10% 15% 20% 25% 30% 35% 40% 45% 50% 0-‑5 ¡years 6-‑10 ¡years 11-‑15 ¡years 16-‑20 ¡years 21+ ¡years EU ROW UK US/Canada
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Response by Current or Most Senior Position
business segment
0% 10% 20% 30% 40% 50% 60% Student Analyst Mid ¡-‑level Senior Chief R&D EU ROW UK US/Canada
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Response by Primary Role/Area of Specialty
0% 10% 20% 30% 40% 50% 60% 70% Pricing Mixed ¡role ¡incl ¡pricing Underwriting Reserving Capital ¡Modeling ERM MI ¡& ¡reporting Regulatory Product ¡Management R&D Reinsurance EU ROW UK US/Canada
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Pricing Techniques What is your main product line?
0% 5% 10% 15% 20% 25% 30% 35% 40% 45% PL: ¡Auto PL: ¡Prop. ¡& ¡Other CL: ¡Auto CL: ¡GL ¡& ¡Other CL: ¡Property Prof ¡Liab ¡ex ¡Med Medical RI: ¡Excess RI: ¡Primary RI: ¡Property RI:P/L,Struc,Marine Work ¡Comp/EL Surety,A$H,Marine EU ROW UK US/Canada
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Pricing Techniques What are the top 3 product lines?
0% 5% 10% 15% 20% 25% PL: ¡Auto PL: ¡Prop. ¡& ¡Other CL: ¡Auto CL: ¡GL ¡& ¡Other CL: ¡Property Prof ¡Liab ¡ex ¡Med Medical RI: ¡Excess RI: ¡Primary RI: ¡Property RI:P/L,Struc,Marine Work ¡Comp/EL Surety,A$H,Marine EU ROW UK US/Canada
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Pricing Techniques Technique - Main Line of Business
0% 5% 10% 15% 20% 25% Experience Exposure Manual-‑Advis./Indep Loss ¡rating Freq/Sev Predictive Comparative Market Telemetrics Stochastic Judgment
Personal Commercial Other Reinsurance
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Pricing Techniques
Personal Lines Individual Account
Pricing Techniques By Region
0.0% 5.0% 10.0% 15.0% 20.0% Experience ¡rating Exposure Manual Loss Freq/Sev Predictive Compariative Market Telemetrics Stochastic Judgment EU ROW UK US/Canada
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Pricing Techniques Commercial Lines Individual Account Pricing Techniques By Region
0.0% 5.0% 10.0% 15.0% 20.0% Experience ¡rating Exposure Manual Loss Freq/Sev Predictive Compariative Market Telemetrics Stochastic Judgment EU ROW UK US/Canada
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Pricing Techniques Personal Lines Methods By Region
PL methods
0% 2% 4% 6% 8% 10% 12% 14% 16% 18% 20% Loss ratio Market conversion Market analysis One/Two way Curve fit Clustering Credibility PCA Spatial smoothing Flood/Cat GLM Discrete GLM Cts GAM GNLM Behaviour GLM Behaviour GAM Stochastic EU ROW UK US World
Europe uses more sophisticated models
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Pricing Techniques Commercial Lines Methods By Region
CL methods
0% 5% 10% 15% 20% 25% 30% 35% L
s r a t i
a r k e t c
v e r s i
M a r k e t a n a l y s i s O n e / T w
a y C u r v e f i t C l u s t e r i n g C r e d i b i l i t y P C A S p a t i a l s m
h i n g F l
/ C a t G L M D i s c r e t e G L M C t s G A M G N L M B e h a v i
r G L M B e h a v i
r G A M S t
h a s t i c EU ROW UK US World
Commercial Lines tend toward simpler and stochastic methods
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Pricing Techniques Data Sources (Trend) by Region
0% 5% 10% 15% 20% 25% I n t e r n a l A c c
n t ¡ s p e c i f i c P u b l i c D e m
r a p h i c C r e d i t C
p e t i t
V e h i c l e N a t u r a l ¡ p e r i l I n d u s t y ¡ O r g a n i z a t i
N
i n s u r a n c e C
s u l t a n t C a t ¡ M
e l J u d g e m e n t E c
e t r i c EU ROW UK US/Canada
US is region with largest reliance on Industry or Advisory Data Sources UK is region with largest reliance on Account Specific information
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Pricing Techniques Loadings – Profit Provision
0% 5% 10% 15% 20% 25% 30% 35% 40% Combined ¡ratio Pct ¡Premium Cashflow ROC Capital ¡model Price ¡Opt Percentile N/A EU ROW UK US/Canada
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Pricing Techniques Loadings – Large Losses
0% 10% 20% 30% 40% 50% 60% 70% 80% No ¡adjustment Cap Separate ¡model EU ROW UK US/Canada
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Pricing Techniques Loadings – Type of Cat Models Used
0% 5% 10% 15% 20% 25% 30% 35% 40%
Single ¡vendor model Vendor ¡w/ ¡in-‑ house ¡adjust. Pure ¡In-‑house Blended Actual experience
EU ROW UK US/Canada
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Pricing Techniques
Types of Platforms Used for Pricing
Personal lines
50 100 150 200 250 300 S/S formula S/S Programming Pricing package Custom built model In house Web In house Desktop EU ROW UK US
Commercial lines
20 40 60 80 100 120 140 S/S formula S/S Programming Pricing package Custom built model In house Web In house Desktop EU ROW UK US
Liability
20 40 60 80 100 120 140 160 S/S formula S/S Programming Pricing package Custom built model In house Web In house Desktop EU ROW UK US
Reinsurance
10 20 30 40 50 60 70 S/S formula S/S Programming Pricing package Custom built model In house Web In house Desktop EU ROW UK US
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Pricing Techniques
Form of Estimates Given to Employer/Client
0% 20% 40% 60% 80% 100%
Price ¡recommendation Range ¡of ¡Estimates Point ¡Est. ¡& ¡Quartiles Non-‑negotiable ¡price Optimised ¡Price EU ROW UK US/Canada
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Pricing Techniques
Internal Price Monitoring
0% 10% 20% 30% 40% 50% 60% 70% New ¡& renewal Renewal account Renewal portfolio Industry ¡trend Do ¡not monitor EU ROW UK US/Canada
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0% 5% 10% 15% 20% 25% 30% 35% 40%
Yes+understand uncertainty Yes+not understand uncertainty No+not understand uncertainty No+understand uncertainty Not ¡sure
EU ROW UK US/Canada
Views
Do you believe that the price monitoring process at your company/client is sufficiently robust and reasonable enough for the intended purpose and the clients/senior management have sufficient understanding of the uncertainty inherent in the results?
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§ Underwriters - Leads Process (UK-26%, US-10%) § Statisticians - Core Member or Leads Process (approximately 20% globally) § Senior Mgmt - Core Members or Leads Process (UK-29%, US-45%) § Brokers - No Involvement (UK-45%, US-58%) § Actuarial Consultants - No Involvement (UK-79%, US-59%)
Operations
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Regional Questions
For Actuaries Operating in North America Credibility Techniques
52% 13% 4% 8% 14% 9%
Claim ¡count E(Claim ¡count) Loss ¡volume E(Loss ¡volume) Premium Subjective
Credibility Weighting Exposure & Experience Rating Approaches Used to Assign Credibility
20% 45% 26% 7% 2% Bayesian Classical Judgment 3-‑way Other
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Regional Questions
For Actuaries Operating in North America Determining Rate Need Uncertainty
0% 5% 10% 15% 20% 25% 30%
Run ¡various methods Vary ¡key assumptions to ¡stress ¡test Simulation modeling Numerical Procedure (i.e., ¡FFT) Parametric Stochastic model Judgment Not Used/Not Applicable Individual Account Portfolio
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Regional Questions
For Actuaries Operating in North America Determining Correlation/Diversification
0% 5% 10% 15% 20% 25% 30% 35% Data ¡Analysis Published ¡Research Judgment Bootstrapping Sqrt(Sum ¡squares) Copulas Tracking ¡results Do ¡not ¡reflect ¡in ¡results.
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Regional Questions
For Actuaries Operating in North America Predictive Modeling Tools
Classification Ratemaking Territorial Ratemaking
0% 10% 20% 30% 40%
Bailey ¡MB Backwards ¡regression GLM Decision ¡tree Neural ¡net Machine ¡learning Random ¡forest GLMM GAM MARS
0% 5% 10% 15% 20% 25%
Univariate Normalized ¡univariate GLM GL ¡Mixed ¡Models Decision ¡tree Spatial ¡smoothing Clustering Other
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Regional Questions
For Actuaries Operating Outside of North America Methods
10 20 30 40 50 60 70 80 90 Cat loads Investment Claim trends IBNR Expected LR Business plan RI recovery Capital loading Market Cycle # of Responses EU ROW UK US
Which elements of pricing are integrated with Reserving and Capital models?
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Regional Questions
For Actuaries Operating Outside of North America Impact of Solvency II on Pricing
0% 10% 20% 30% 40% 50% 60%
Change ¡in ¡target Increase ¡in controls Reduction ¡in resources No ¡impact Not ¡Sure
EU ROW UK
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Views
Constraints to Using Stochastic Methods in Pricing
0% 10% 20% 30% 40%
N
n e e d ¡
¡ b e n e f i t D a t a ¡ l i m i t a t i
s I n
h
s e ¡ b u i l d ¡ e x p e n s i v e I n
h
s e ¡ b u i l d ¡ c
p l e x U n f a m i l i a r ¡ w / m e t h
s N
i n
h
s e ¡ e x p e r t i s e C
m e r i c a l ¡ M
e l s ¡ e x p e n s i v e T
d i f f i c u l t ¡ t
e x p l a i n
EU ROW UK US/Canada
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Views
Value of Educational Support
0% 10% 20% 30% 40% 50% 60% 1-‑Inadequate 2 3 4 5-‑Significant ¡Value EU ROW UK US/Canada
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§ Seminars (preferably webinars) that cover a detailed technical example § More hands on training (e.g., computer lab sessions) § Downloadable spreadsheets that work through a particular method/ approach § Publication of a pricing handbook § More information on methods that are being used overseas § Sessions at (CAS) meetings tend not to be balanced (too focused or too general) and are too short.
Write-In Comments
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Next steps
§ Survey will be jointly analysed by US/UK working parties § Full report written up and published § Summarized results presented in Actuarial Review § Further presentations booked
§ Further presentations considered:
§ Future Ratemaking Survey