The authors report the results of voluntary contributions experiments where subjects are randomly assigned different rates of return from their private consumption. These random assignments are changed round to round, enabling the measurement of individual player contribution rates as a function...

An experiment was conducted to test whether discounted repeated play leads to greater cooperation and coordination than one-shot play in a public good environment with incomplete information. The design varied a number of environmental parameters, including the size of the group, and the...

This paper explores a simple model of the effects of requiring public disclosure of insider trading activity in future markets. These disclosures are found to stimulate speculator activity and generate greater volatility, and lead to greater informational efficiency in the sense that futures...

What cartel agreements are possible when firms have private information about production costs? For private cost uncertainty, the authors characterize the set of cartel agreements that can be supported, recognizing incentive and participation constraints. If defection results in either Cournot...