This paper proposes a nonparametric method for evaluating treatment effects in the presence of both treatment endogeneity and attrition/non-response bias, using two instrumental variables. Making use of a discrete instrument for the treatment and a continuous instrument for...

How much can socioeconomically-based health disparities be attributed to differential access to secondary and specialist health care? We evaluate this question in the context of Arab-Jewish health disparities in Israel while exploiting the introduction of public transportation to Arab...

This paper examines the consequences of the commuter transport revolution on working class labour markets in 1930s London. The ability to commute alleviated urban crowding and increased workers’ choice of potential employers. Using GIS-based data constructed from the New Survey of London Life...

We estimate the network externality of a public transit system by examining the effects of its expansion on the housing market. Our results show that a major expansion of Singapore's Mass Rapid Transit (MRT) system increased the price of apartments within 0.5 km of a pre-expansion station by...

Disadvantaged communities are often geographically segregated from employment and higher education opportunities. Increasing access can entail substantial welfare gains, but this can also affect the tradeoff faced by young adults between investing in higher education and working for pay. We...