Economic Incentives and Social Preferences: A Preference-Based Lucas Critique of Public Policy
Santa Fe Institute
Sandra Polania Reyes
University of Siena - Faculty of Economics
July 1, 2009
CESifo Working Paper Series No. 2734
Policies and explicit private incentives designed for self-regarding individuals sometimes are less effective or even counterproductive when they diminish altruism, ethical norms and other social preferences. Evidence from 51 experimental studies indicates that this crowding out effect is pervasive, and that crowding in also occurs. A model in which self-regarding and social preferences may be either substitutes or complements is developed and evidence for the mechanisms underlying this non-additivity feature of preferences is provided. The result is a preference-based analogue to the Lucas Critique restricting feasible implementation to allocations that are supportable given the effect of incentives on preferences.
Number of Pages in PDF File: 50
Keywords: public goods, behavioural experiments, social preferences, second best, motivational crowding, explicit incentives
JEL Classification: A13, C90, D02, D63, D64, H41, D78, E61, Z13
Date posted: August 5, 2009
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