Data Management

Adding Independent Risks In An Insurance Portfolio: Which Shape For The Insurers? Preferences?

Download Now Free registration required

Executive Summary

Many papers have adopted the expected utility paradigm to analyze insurance decisions. Insurance companies manage policies by growing, by adding independent risks. Even if adding risks generally ultimately decreases the probability of insolvency, the impact on the insurer's expected utility is less clear. Indeed, it is not true that the risk aversion toward the additional loss generated by a new policy included in an insurance portfolio is a decreasing function of the number of contracts already underwritten. In this paper, it is shown that most commonly used utility functions do not necessarily positively value the aggregation of independent risks so that they are not eligible for insurers.

  • Format: PDF
  • Size: 1773.3 KB