This paper provides an overview on the simulations andexperiments we have done in order to better understandhuman-agent interaction in a market environment. We findthat the introduction of software agents does not necessarilyinduce a more efficient market. More surprisingly,information on the...

For the Euro 2000 Soccer Championships an experimental asset market was conducted, with traders buying and selling contracts on the winners of individual matches. Market-generated probabilites are compared to professional bet quotas, and factors that are responsible for the quality of the market...

Bubbles in asset markets have been documented in numerous experimentalstudies. However, all experiments in which bubbles occurpay dividends after each trading day. In this paper we study whetherbubbles can occur in markets without dividends. We investigate therole of two features that are...