We investigate, by mean of a lab experiment, a market inspired by two strands of literature on one hand we have herd behaviour in non-market situations, and on the other hand aggregation of private information in markets. The former suggests that socially undesirable herd behaviour may result...

Previous research indicates that risky and uncertain marginal returns from the public good significantly lower contributions. This paper presents experimental results illustrating that the effects of risk and uncertainty depend on the employed parameterization. Specifically, if the value of the...