We estimate a time series model of weather shocks on English wheat yields for the early nineteenth century and use it to predict weather effects on yield levels from 1697 to 1871. This reveals that yields in the 1690s were depressed by unusually poor weather; and those in the late 1850s were...

This paper investigates whether the Pesticides Initiative Program has significantly affected the export performance of Senegal's horticulture industry. We apply two main microeconometric techniques, difference-in-difference and matching difference-in-differences to identify the effect of the...

This paper looks for firm-level evidence that high rates of protection breed concentration of firm activities into highly protected sectors, endogenously generating vested interests in the maintenance of protection. We combine data on the EU’s trade protection for food and agricultural...

We exploit regional variation in suitability for cultivating potatoes, together with time variation arising from their introduction to the Old World from the Americas, to estimate the impact of potatoes on Old World population and urbanization. Our results show that the introduction of the...

This paper examines the efficacy of food consumption subsidies as anti-inflation policy in developing countries characterized by rigidities of food supply. First a standard structuralist model is utilized to show that though a policy of food consumption subsidies brings down inflation in the...

We partnered with a micro-lender in Mali to randomize credit offers at the village level. Then, in no-loan control villages, we gave cash grants to randomly selected households. These grants led to higher agricultural investments and profits, thus showing that liquidity constraints bind with...