Autori: Guiso, Luigi, Paiella, Monica
Titolo: Risk Aversion, Wealth, and Background Risk
Periodico: European University Institute of Badia Fiesolana (Fi). Department of Economics - Working papers
Anno: 2007 - Fascicolo: 47 - Pagina iniziale: 1 - Pagina finale: 67

We use household survey data to construct a direct measure of absolute risk aversion based on the maximum price a consumer is willing to pay for a risky security. We relate this measure to consumers.endowments and attributes and to measures of background risk and liquidity constraints. We .nd that risk aversion is a decreasing function of the endowment. thus rejecting CARA preferences. We estimate the elasticity of risk aversion to consumption at about 0.7, below the unitary value predicted by CRRA utility. We also .nd that households. attributes are of little help in predicting their degree of risk aversion, which is characterized by massive unexplained heterogeneity. We show that the consumer.s environment affects risk aversion. Individuals who are more likely to face income uncertainty or to become liquidity constrained exhibit a higher degree of absolute risk aversion, consistent with recent theories of attitudes toward risk in the presence of uninsurable risks.





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