This paper makes three observations about international trade and immigration. (i)" Borjas has argued that immigration may yield a net social benefit even though it hurts those less-skilled workers who directly compete with immigrants. I show that this closed-economy" argument unravels when...

We study the effect of heterogeneous monopsony power across Chinese firms on the equilibrium allocation of labor. Based on the fact that heterogeneity in monopsony power results from the heterogeneity in workers’ preferences for the jobs provided by an individual firm, we build a model to...

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 compare the behavior and welfare effects of two popular interventions for resource conservation. The first intervention is social comparison reports (SC), which primarily provide consumers with information motivating behavioral change. The second intervention is real-time feedback (RTF),...