This paper reviews recent research on geography and trade. One of the key empirical
findings over the last decade has been the role of geography in sha** the distributional …

In this review, we survey the economics literature on echo chambers. We identify echo
chambers as arising from a combination of two phenomena:(a) the choice of individuals to …

This study examines how the historical state conditions long‐run development, using
Vietnam as a laboratory. Northern Vietnam (Dai Viet) was ruled by a strong, centralized state …

Can external threats strengthen group identity? A growing body of research in economics
emphasises the importance of cultural attributes such as identity for trust and cooperation …

We use a population resettlement program in Indonesia to identify long-run effects of
intergroup contact on national integration. In the 1980s, the government relocated two …

This paper employs a meta-regression analysis of 1,149 estimates from 29 studies to take
stock of the empirical literature on Chinese aid effectiveness. After accommodating …

We study the long-term impact of large-scale irrigation infrastructure on the composition of
local economic activity in India. Our analysis uses high-resolution spatial data covering …

I study the effects of voting costs—specifically, distance to polling location—using
geographic discontinuities. Opposite sides of boundaries between voting precincts are …

Does armed conflict reduce trade, even in noncombat areas, through the destruction of
intergroup social capital? We analyze Ukrainian trade transactions before and after the 2014 …

This paper provides causal evidence on early-life exposure to war on mental health status in
adulthood. Using an instrumental variable strategy, the evidence indicates that early-life …