Live With The Maverick

Episode 100: Actuaries in Research - Part 2 (Part 2)


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My guest for Episode 100 is David Wilkie, CBE, FFA, FIA, FSS, FIMA, Hon D Sc, Hon D Math, Chairman at InQA Limited.

The theme for the episode is ๐—”๐—ฐ๐˜๐˜‚๐—ฎ๐—ฟ๐—ถ๐—ฒ๐˜€ ๐—ถ๐—ป ๐—ฅ๐—ฒ๐˜€๐—ฒ๐—ฎ๐—ฟ๐—ฐ๐—ต - ๐—ฃ๐—ฎ๐—ฟ๐˜ ๐Ÿฎ.

David and I covered the following topics in ๐—ฃ๐—ฎ๐—ฟ๐˜ ๐Ÿฎ of this historic episode:โฃ

โœ… Modeling uncertainty within insurance, finance, and risk mgmt
โœ… Shortcomings of the Black-Scholes option pricing model
โœ… The origins and evolution of the Wilkie Model for economic variables
โœ… Realistic disaster scenarios for marine insuranceย 
โœ… The financial crisis, agency risk, and model hazardย 
โœ… Helping to shape actuarial standards and practice globallyย 
โœ… Davidโ€™s new unreleased research paperย 

๐—ฃ๐—ฎ๐—ฟ๐˜ ๐Ÿฎ Time Markers

1:25: Random walk hypothesis and modern financial economics.ย 

2:49: Unit-linked life insurance policies and connection to share price uncertainty.ย 

6:30: Foundations of the first Wilkie Model (retail prices, dividends, dividend yields, and long-term interest rates).ย 

8:40: Limitations of Black-Scholes option pricing model assumptions (share price, transactions costs, and hedging constraints).

13:25: The key innovation for the first Wilkie Model (incorporating stochastic framework, variability, variable interrelations, and autoregressive methods).

16:30: The second Wilkie Model (short-term interest rates, property, property yields, and foreign exchange rates).

19:05: Index-linked yields and modifying long-term interest rate assumptions.

22:02: Incorporating company earnings and payout ratios (dividend payout and price/earnings) into Wilkie Model.

23:56: Realistic disaster scenarios, evaluating extreme losses for oil industry, and Lloydโ€™s syndicate as-if reserves.

30:16: Incorporating parameter uncertainty into Wilkie Model (hyper model approach).

32:51: Using fatter tail distributions (Normal, hyperbolic, and Laplace) for variables with extreme values and high kurtosis.

38:06: Transparency challenges around economic scenario generation.ย 

39:03: Packaging of mortgages leading up to 2008 financial crisis and resulting implications.ย 


42:32: Misaligned incentives in corporate taxation (interestย 
payment deductions).ย  ย 

46:33: Involvement with actuarial and scientific organizations.ย 

50:30: Approved directive for life insurance valuation principles to address country-level disconnects.

52:26: Research that David hasnโ€™t done yet but intends to do.ย 

If you are an actuary interested in research, modeling, and programming, you want to listen to this.

My Website: maverickactuary.com
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Live With The MaverickBy Dominic Lee