Forest Fire Insurance explores how risk truly builds in financial systems and why volatility is not the enemy it is often portrayed to be.

Marvin Barth and Mark Farrington are joined by David Dredge, CIO of Convex Strategies, to unpack the idea of self organised criticality in markets using the forest fire analogy. The discussion ranges from leverage, correlation and contagion to the failures of Sharpe ratio thinking and the dangers of suppressing volatility.

The conversation moves through convexity, tail risk, demographic decline, central bank policy and the growing fragility of the global financial system. Dredge explains why insurance is cheapest when it feels least necessary and why the real risk lies in accumulated undergrowth rather than the spark that eventually ignites it.

This episode is a deep dive into how systemic risk forms, how it is mispriced and why prudent investors should think less about forecasting outcomes and more about preparing for nonlinear shocks.

Timestamps

00:00 Introduction to Thematic Edge and today’s guest

01:00 David Dredge, Convex Strategies and tail risk investing

03:20 Forecasting versus risk management

05:30 The forest fire analogy and self organised criticality

07:00 What is Sharpe World and why it fails

09:30 Rational Accounting Man versus prudent risk management

12:00 Incentives, leverage and systemic fragility

14:45 Good volatility versus bad volatility

16:00 Convexity, skew and why upside volatility matters

18:50 Why investors are not taking enough risk

21:30 Forest management, undergrowth and controlled burns

24:30 Geopolitical and financial systems colliding

27:40 Volatility pricing and the cost of insurance

29:30 Japan, debt dynamics and demographic decline

33:30 Population ageing as a structural risk driver

37:30 Global competition for capital and bond market stress

40:00 Arsonists, campers and fire marshals in the global system

43:00 Markets driving economies, not the reverse

45:00 Bond market stress and policy intervention

47:00 Kevin Warsh, central banks and balance sheet risk

49:30 Basel III, regulation and unintended leverage

52:00 Why systemic risk keeps being misdiagnosed

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