To investigate the external validity of Ultimatum and Dictator game behavior we conduct experiments in field settings with naturally occurring variation in social framing. Our participants are students at Middlebury College, non-traditional students at Kansas City Kansas Community College...

This paper develops a new method for estimating production-function parameters that can be applied in differentiated-product industries with endogenous quality and variety choice. We take advantage of data on physical quantities of outputs and inputs from the Colombian manufacturing survey,...

This paper uses uniquely rich and representative data on the unit values of outputs (products)and inputs of Colombian manufacturing plants to draw inferences about the extent of quality differentiation at the plant level. We extend the Melitz (2003) framework to include heterogeneity of inputs...

Disparities in health outcomes between white and minority Americans are a significant and well documented challenge in improving equity in health care. Two frequently cited explanations are discrimination in treatment - doctors treating minority patients differently, and unequal access to care -...