and supply factors that can result in such an equilibrium. We then empirically study the disruption of the maize seed … allowed a local seed company to expand and target the area with adaptively-bred maize varieties. A three-year RCT reveals that …

We study the effects of domestic trade liberalization on labor markets in Botswana. South Africa is the dominant member … plausibly exogenous tariff reductions for the other customs union members, including Botswana. Using labor force surveys from … Botswana spanning a decade, we find that trade liberalization did not affect the relative size of industries in terms of …

U.S. beef cattle stocks are among the most periodic time-series in economics. A theory of cattle cycles is constructed … the demographic structure of the herd to respond cyclically to exogenous shocks in demand for beef and in production costs … evolution of cattle stock and beef consumption. These compare very closely to structural econometric time-series estimates over …

British beef exports did not constitute a protectionist measure, while the US ban on Chilean fruit possibly classifies as such …

Since independence a quiet revolution has taken place in maize production in the Sahel with Mali increasing production … more than ten-fold and yields going up ~2% a year. This research work uses farm level panel data from southern Mali's maize … fertilizer amounts and the marginal returns to fertilizer use. The results demonstrate the key changes behind this silent maize …

economically significant increases in output, yields, and profits. In our preferred specification, maize production increases by 24 …

increase vulnerability to infection? We use data from two recent household surveys in Botswana to address this question. We …

development quest. The sample includes seven developing countries—Botswana, Ghana, Nigeria, Zambia, India, Vietnam and Brazil —all …