In this paper we replicate and extend the experiment of Fehr and Gaechter (2000) that analyzes the effect of an opportunity to punish others on the level contributions in the Voluntary Contributions Mechanism.

We report the results of an experiment designed to study the role of speculation in the formation of bubbles and crashes in laboratory asset markets. In a setting in which speculation is not possible, bubbles and crashes are observed. The results suggest that the departures from fundamental...

One of the main challenges for monetary economics is to explain the use of assets that are dominated in rate-of-return as media of exchange. In this paper, we use experimental methods to study how a fiat money might come to be used in transactions when an identically marketable, dividend-bearing...

We introduced a parametric model of other-regarding preferences in which my emotional state determines the marginal rate of substitution between my own and other' payoffs, and thus my subsequent choices. In turn, my emotional state responds to relative status and to the kindness or unkindness of...

We study cooperation in four-person economies of indefinite duration. Subjects interact anonymously playing a prisoner’s dilemma. We identify and characterize the strategies employed at the aggregate and at the individual level. We find that (i) grim trigger well describes aggregate play, but...

Evidence shows that real-effort investments can affect bilateral bargaining outcomes. This paper investigates whether similar investments can inhibit equilibrium convergence of experimental markets. In one treatment, sellers’ relative effort affects the allocation of production costs, but a...

This paper uses experimental econoic methods to present evidence that the absence of a negative effect on demand in reaction to products containing GMO's is in large measure due to the fact that customers do not notice the labelling.

Social norms of cooperation are studied under several forms of communication. In an experiment, strangers could make public statements before playing a prisoner’s dilemma. The interaction was repeated indefinitely, which generated multiple equilibria. Communication could be used as a tool to...

A new behavioral foundation is uncovered for why money promotes impersonal exchange. In an experiment, subjects could cooperate by intertemporally exchanging goods with anonymous opponents met at random. Indefinite repetition supported multiple equilibria, from full defection to the efficient...