If you beat my sister, I’ll beat yours

Hanan Jacoby and Ghazala Mansuri on a solution to domestic abuse in Pakistan:

watta satta, which often involves a brother-sister pair marrying another such pair from a second household, comes with mutual threats: A husband who treats his wife badly can count on his brother-in-law doing the same to his sister. That mechanism allows two sets of parents to have leverage over how their daughters are treated.

World Bank Working Paper 4126, soon to be in the American Economic Review