Experiments can be used not only to test theory but also to measure preferences and assess heterogeneity of behavior. I discuss the design of experimental measures of ahruism and trust, as well as their uses in assessing how behavior varies across individuals, and across partners that a given...

Combining experimental datasets from seven individual studies, including 255 asset markets with 2,031 participants, and 36,326 short-term price forecasts, we analyze the role of heterogeneity of beliefs in the organization of trading behavior by reproducing and reconsidering earlier experimental...