Approximation bias in estimating risk aversion
The asymmetric approximation originally employed by Pratt (1964) to construct reduced-form measures of risk aversion s a downward bias when used for empirical estimation. Calculations based on recent survey data indicate that estimates from a symmetric approximation are generally three times larger than their asymmetric counterparts, a finding that may help to explain the equity premium puzzle.
Volume (Year): 4 (2003)
Issue (Month): 38 ()
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