This paper uses the technique of experimental economics to set up a classroom situation where students learn to make Bayesian decisions. The exercises allow students to discover for themselves a natural counting heuristic that corresponds to Bayes's rule and is much quicker to use in many...

This paper describes how to set up a classroom exercise in which students see private signals and make public decisions in sequence. A pattern of conforming decisions in this context is called an information cascade. Once a cascade starts, it is rational for students to ignore their private...