Climate change could reduce farm incomes by 15-18%, and by as much as 20-25% in un-irrigated areas

The welfare effect of policies aimed at changing behaviours persistently may be larger than usually measured because of 'hysteresis'

Cities don't make workers (much) more productive, but productive workers move to cities

India’s system of ‘fragmented entitlements’, whereby state residents get preferential treatment by the state government, hinders internal migration

Economic growth can reduce corruption. A Vietnamese study shows that when employment in an industry doubled, bribery fell by 1.6 percentage points

Mineral-rich countries often do not prosper economically due to increased local conflict associated with foreign ownership of mines

Rural insurance networks in India incentivise adult males to remain in villages, contributing to the country’s low rural-to-urban migration rates

Technological and institutional environments, rather than differences in human capital, are behind variations in skill premia across countries

Connected cities request and receive 15% more funds from the national government. Yet the welfare loss from this may be only 0.24% of the budget.