There is increasing research on the impact of social norms on economic behavior. The research to date has a number of limitations: 1) it has not de-coupled the impact of the norm and the knowledge required to understand how to change behavior based upon it; and 2) it has not understood the...

Public recognition is a frequent tool for motivating desirable behavior, yet its welfare effects are rarely measured. We develop a portable money-metric approach for measuring the direct welfare effects of shame and pride, which we deploy in a series of experiments on exercise and charitable...

Tax collection problems date back to the earliest recorded history of mankind. This paper begins with a simple theoretical construct of paying (rather than declaring) taxes, which we argue has been an overlooked aspect of tax compliance. This construct is then tested in two large natural field...

Although fake online customer reviews have become prevalent on platforms such as Amazon, Google, and Facebook, little is known about how these reviews influence consumer behavior. This paper provides the first experimental estimates of the effects of fake reviews on individual demand and...

We study a large-scale (n=50,000) natural field experiment implemented by the U.S. Social Security Administration that was aimed at increasing the timely and accurate self-reporting of wages by Supplemental Security Income (SSI) recipients. Sending a letter reminding SSI recipients of their wage...

We develop novel estimates of peak and off-peak price elasticities for urban mass transit demand in San Francisco using a large natural experiment with 3.6 million trip sessions and a natural field experiment that both have exogenous price subsidies. We then estimate the welfare impacts for...