Systems Thinking in Insurance and Risk Pooling: Insurance works by pooling many independent risks into a single system, where the law of large numbers converts unpredictable individual eve…
Insurance as Applied Risk-Pooling Systems
Insurance works by pooling many independent risks into a single system, where the law of large numbers converts unpredictable individual events into a manageable, predictable aggregate. Systems thinking insurance analysis studies how this pooling structure holds up as risks stop being independent.
Correlated Risk Breaks the Pooling Loop
Pooling assumes losses are largely uncorrelated, but climate-driven disasters or systemic financial shocks hit many policyholders simultaneously, straining the very structure that made pooling viable in the first place.
Moral Hazard as a Feedback Loop
Insurance can unintentionally reduce the incentive to avoid risk, a feedback loop where protection against a bad outcome slightly increases the behavior that produces it, requiring deductibles and incentives to counterbalance.
Reinsurance and Systemic Resilience
Reinsurance markets exist precisely to distribute concentrated risk further across a wider system, illustrating how insurance itself relies on nesting systems of systems to remain resilient against large correlated shocks.
