When Everyone Claims at Once

Written by Studio AM.

Insurance combines the risks of many policyholders. When losses are largely independent, a large pool can make the total cost more predictable than any one household's experience. One damaged house need not mean thousands of others will claim at the same time.

A flood or earthquake creates a different pattern. Many properties in the affected area may suffer together. These losses are correlated: knowing that one property was damaged can tell an insurer something about the risk to its neighbors. Adding more customers in the same exposed area may increase the size of a disaster loss without providing much diversification.

Insurers respond in several ways. They hold capital for severe events, limit concentrations of risk, and buy reinsurance, which transfers part of their exposure to other insurers. A reinsurer can combine different regions and types of risk so that one local disaster represents a smaller share of its total business.

Diversification has limits when events affect many regions or when several disasters occur close together. Pricing, coverage limits, and the resources available to pay claims therefore matter alongside the number of policyholders. Pooling remains useful, but a large pool must be examined for shared exposures, not merely counted.

Questions

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  1. Question 1 of 4

    The passage mainly explains

  2. Question 2 of 4

    Why can combining risks from different regions help a reinsurer?

  3. Question 3 of 4

    As used here, losses that are 'correlated' are losses that

  4. Question 4 of 4

    Which response to correlated losses is named in the passage?

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