Despite their current prevalence and historical significance, little is known about the economics of open air markets. This paper uses open air markets as a natural laboratory to provide initial insights into the underlying operation of such markets. Using data on thousands of individual...

Field experiments occupy a middle ground between laboratory experiments and naturally occurring field data. The idea is to perform a controlled experiment that captures important characteristics of the real world. Relative to traditional empirical economics, field experiments provide an...

Economists are increasingly turning to the experimental method as a means to estimate causal effects. By using randomization to identify key treatment effects, theories previously viewed as untestable are now scrutinized, efficacy of public policies are now more easily verified, and stakeholders...