One of the economic benefits of immigration is that the diversity of the population is enhanced. Diversity, it is argued, enriches the environment in which individuals live and trade and may contribute to greater creativity. What does diversity mean? Do current immigration policies enhance...

This paper analyzes the short-run trade effects of retaliatory tariffs against agriculture and food exports from the United States. The results indicate that these tariffs caused a substantial decline in U.S. agriculture and food exports and induced a reorientation of international trade...

The recent rise in caloric undernutrition in Sub-Saharan Africa (SSA) demonstrates the continued relevance of the Malthusian footrace between food availability and population. Sluggish growth in farm productivity in SSA has brought to the fore the key role of agricultural technology in...

In this essay, I review Robert Fogel's The Escape from Hunger and Premature Death, 1700-2100 which is concerned with the past, present, and future of human health. Fogel's work places great emphasis on nutrition, not only for the history of health, but for explaining aspects of current health,...

Do governments systematically intervene in agricultural markets in response to climate shocks? If so, what are the aggregate and distributional consequences? We construct a global dataset of agricultural policies and extreme heat exposure by country and crop since 1980. We find that extreme heat...