Traditional least squares estimates of the responsiveness of gasoline consumption to changes in gasoline prices are biased toward zero, given the endogeneity of gasoline prices. A seemingly natural solution to this problem is to instrument for gasoline prices using gasoline taxes, but this...

We investigate the puzzle of microfinance: that loans generate large measured returns for businesses, yet loan take-up is low and the businesses often close. We analyze a randomized trial that bundled microfinance loans with a cheap health insurance policy. Requiring clients to purchase...

In this paper, we propose an alternative methodology for ranking hospitals based on the choices of Medical School graduates over hospital training vacancies. Our methodology is therefore a revealed preference approach. Our methodology for measuring relative hospital quality has the following...