Risk Aversion and Income Tax Enforcement

Parkash Chander

No 531, Econometric Society 2004 Far Eastern Meetings from Econometric Society

Abstract: This paper characterizes optimal income tax and audit schemes in the presence of costly enforcement when the agent is risk averse and not necessarily risk neutral. It is shown that the results under risk-neutrality (Chander and Wilde (1998)) largely hold under risk aversion. We first show that in an optimal scheme the tax evasion decision of the agent is equivalent to risking his entire income against a possible gain in terms of lower tax payment. We then introduce a measure of aversion to such large risks. In contrast, the Arrow-Pratt coefficients of risk aversion measure aversion to small risks only. We show that the optimal tax function is non-decreasing and concave if the agent’s aversion to large risks, as defined in terms of our measure, is decreasing with income. The optimal audit function is non-increasing and the audits may be random or deterministic.

Keywords: expected utility; risk aversion; principal-agent; adverse selection (search for similar items in EconPapers)
JEL-codes: D80 D81 D86 (search for similar items in EconPapers)
Date: 2004-08-11
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:ecm:feam04:531

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