assess the empirical performance of Ricardo's ideas. We use novel agricultural data that describe the productivity in 17 … the productivity of each parcel of land in all crops, not just those that are currently being grown. This direct … information about relative productivity differences across economic activities allows us to compute, for the first time, the …

agriculture in the typical country, and particularly so in developing countries. Taken at face value, this "agricultural … productivity gap" suggests that labor is greatly misallocated across sectors. In this paper, we draw on new micro evidence to ask …

. For new technologies, the case of agriculture demonstrates that government has an important role in antitrust, the …

. Farmers responded to the shrinking transportation wedge and rising revenue productivity by rapidly expanding the area under …

This paper seeks to explain the U-shaped relationship between farm productivity and farm scale - the initial fall in … productivity as farm size increases from its lowest levels and the continuous upward trajectory as scale increases after a …

capital intensity. We argue that its major cause is a barrier that kept agricultural employment constant at about 14 million … stay in agriculture …

U.S. agriculture was transformed during the 20th century by waves of innovation with mechanical, biological, chemical …, and information technologies. Compared with a few decades ago, today’s agriculture is much less labor intensive and farms … innovation will be required to preserve past productivity gains in the face of climate change, coevolving pests and diseases, and …

heat reduces non-agricultural productivity, but less so than in agriculture, implying that hot countries could adapt to … perversely pulls labor into agriculture where its productivity suffers most and reallocation exacerbates the global decline in … of climate change on sectoral reallocation and aggregate productivity. First, I use firm-level data from a wide range of …

The 21st century global decline in productivity growth is not well understood. One possible contributor is a decline in … economic dynamism. We explore the contribution of firm formation and employee movement to productivity using administrative … working proprietors, to study the relationships among entry, worker flows and firm productivity. Entrants are more productive …