Why do the poor have so many economic activities? According to one theory the poor do not specialize because relying on one income source is risky. I test the theory by measuring the response of Thai rice farmers to conditional volatility in the international rice price. Households expecting a...

I develop a method to measure and separate the production misallocation caused by failures in factor markets versus financial markets. When I apply the method to rice farming villages in Thailand I find surprisingly little misallocation. Optimal reallocation would increase output in most...

We study whether political parties exert precise control over the outcomes of legislative elections. We test for discontinuities in two outcomes that, in the absence of precise control, should be smooth at the threshold that determines control of the legislature: the identity of the party that...

We measure the benefit to society created by preventing COVID-19 deaths through a marginal increase in early social distancing. We exploit county-level rainfall on the last weekend before statewide lockdown in the early phase of the pandemic. After controlling for historical rainfall,...

The global movement against corruption has long assumed its demise lay in transparency and accountability. We test this assumption by measuring whether highly accountable Indian village council presidents favor their own households while making observable allocations of public works jobs. We...

We measure where and to what end parties take control of Congressional redistricting, which lets them redraw districts to favor their own candidates. We exploit the discontinuous change in a party's control of redistricting triggered when its share of seats in the state legislature exceeds 50...