Blended social impact investment (SII) transactions, in which multiple types of capital are combined to support attainment of social impact, are a pervasive, yet not closely examined, feature of the SII market. This paper seeks to describe and understand blended SII transactions through the lens...

CHAPTER 1 (with Joris Pinkse, Margaret Slade, and John Van Reenen): Spillovers in Space: Does Geography Matter?We simultaneously assess the contributions to productivity of three sources of research and development spillovers: geographic, technology and product--market proximity. To do this, we...

This paper estimates the impact of income on the body weight and clinical weight classification of elderly Americans using a natural experiment that led otherwise identical retirees to receive significantly different Social Security payments based on their year of birth. We estimate models of...

CHAPTER 1: The Great Russian Devaluation and Labor DemandDoes a greater degree of integration into world markets lead to a more elastic demand for labor? Often referred to as the Rodrik hypothesis, this question, despite being important from both theoretical and applied policy standpoints, is...

CHAPTER 1: Income Distribution, Market Structure, and Individual WelfareThis essay proposes a new insight on how income distribution influences market structure and affects the economic well-being of different groups. It shows that inequality may be good for the poor via a trickle-down effect...