The configuration of equilibrium in the market for automobile collision insurance is examined empirically by representing the premium-deductible menu and the demand function as a standard hedonic system. Using contractual data from a representative insurer, the authors estimate a reduced-form...

Variation in the degree of downside risk aversion across decision makers has implications for efficient risk sharing. However, except for small differences in risk preferences, there is no index, analogous to the Arrow-Pratt index of risk aversion, that depends only on local properties of the...