We survey the recent, fast-growing literature on peer effects in networks. An important
recurring theme is that the causal identification of peer effects depends on the structure of …

This article reviews the growing economics literature that studies the politico-economic
impacts of heterogeneity in moral boundaries across individuals and cultures. The so-called …

This paper evaluates an intervention to raise young women's economic empowerment in
Sierra Leone, where women frequently experience sexual violence and face multiple …

Can microcredit help unlock a poverty trap for some people by putting their businesses on a
different trajectory? Could the small microcredit treatment effects often found for the average …

Social network data are often prohibitively expensive to collect, limiting empirical network
research. We propose an inexpensive and feasible strategy for network elicitation using …

I discuss economic and social sources of inequality and elaborate on the role of social
networks in inequality, economic immobility, and economic inefficiencies. The lens of social …

Initiatives in international development and behavioral science rely predominantly on the
independent models of the self and agency that are prevalent in individualist Western …

We theoretically and empirically study an incomplete information model of social learning.
Agents initially guess the binary state of the world after observing a private signal. In …

How do information interventions affect individual efforts to expand social networks? We
study a randomized controlled trial of a program providing information on settling in the US …

Fifteen years ago, the Norwegian Nobel Committee awarded the Nobel Peace Prize to
Muhammad Yunus and the Grameen Bank for their work in providing microcredit. The …