An Experiment on Rational Insurance Decisions |
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Authors: | Watt Richard Vázquez Francisco J. Moreno Ignacio |
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Affiliation: | (1) Universidad Autónoma de Madrid, Madrid, Spain |
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Abstract: | We describe the results of an experiment on decision making in an insurance context. The experiment was designed to test for the underlying rationality of insurance consumers, where rationality is understood in usual economic terms. In particular, using expected utility as the preference function, we test for positive marginal utility, risk aversion, and decreasing absolute risk aversion, all of which are normal postulates for any microeconomic decision context under uncertainty or risk. We find that there the discrepancy from rational decision making increases with the sophistication of the rationality criteria, that irrationality concerning fair premium contracts is uncharacteristically high, and that the slope of absolute risk aversion seems to depend on the format of the insurance contract. This revised version was published online in June 2006 with corrections to the Cover Date. |
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Keywords: | Contract format Experiments Insurance Premiums Rationality |
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