This chapter reports the results of laboratory asset markets in which each trader receives an initial portfolio of cash and shares of a security with an earnings life of 15 trading periods. Each trader is free to trade shares of the security using double auction trading rules. At the end of the...

An experimental asset market is used to test the effect of news concerning the underlying value of an asset on its trading price. Participants were divided into two groups and received different expected earnings values. Statistical support is found for the hypothesis that investors underreact...