Governments sometimes promote rules backed by sanctions too weak to make obedience privately optimal. Factors that may help make such rules effective include the presence of informal sanctions by peers, and implementation through voting. I study the impact of non-deterrent formal sanctions on...

I show how improper conditioning of beliefs can lead to under-contribution in public goods environments with interdependent values. I consider a simple model of a binary, excludable public good. In equilibrium, provision of the public good is good news about its value. Naive players who...

This experiment investigates contests between groups. Each group has one strong player, with a higher valuation for the prize, and two weak players, with lower valuations. In contests where individual efforts are perfect substitutes, all players expend significantly higher efforts than predicted...

Human conduct is often guided by “conformist preferences”, which thrive on behavioral expectations within a society, with conformity being the act of changing one’s behavior to match the purported beliefs of others. Despite a growing research line considering preferences for a fair outcome...

We run a public good experiment with four different treatments. The payoff function is chosen such that the Nash equilibrium (NE) and the collective optimum (CO) are both in the interior of the strategy space. We try to test the effect of varying the level of the collective optimum, which...

We examine subjects’ behavior in sender-receiver games where there are gains from trade and alignment of interests in one of the two states. We elicit subjects’ beliefs, risk and other-regarding preferences. Our design also allows us to examine the behavior of subjects in both roles, to...

Substantial evidence has accumulated in recent empirical works on the limited ability of the Nash equilibrium to rationalize observed behavior in many classes of games played by experimental subjects. This realization has led to several attempts aimed at finding tractable equilibrium concepts...

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This work provides experimental evidence of the determinants of tax compliance in Mexico, and compares them to the results of an experiment administered in the United States reported by Alm, Jackson and McKee (1992). The results for both countries are contrasted to the predictions of the...

We elicit human conditional punishment types by conducting experiments. We find that their punishment decisions to an individual are on average significantly positively proportional to other members’ punishment decisions to that individual.