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 …

evidence on the forces that drive research and innovation in agriculture. This book aims to provides such evidence through … tightening constraints on water, arable land, and other natural resources, agricultural innovation is quickly becoming the most … universities, which, historically, have been a major source of agricultural innovation, increasingly dependent on funding from …

service delivery and innovation in over 2,800 cities between 1875-1905. Exploiting the gradual expansion of a major civil … effective postal service contributed to innovation and growth during the Gilded Age …

Despite the rapid pace of innovation in information and communications technologies (ICT) and electronics, aggregate US … stems in part from an unbalanced sectoral distribution of innovation over the last several decades. Because an industry …'s success in innovation depends on complementary innovations among its input suppliers, rapid productivity growth that is …

value of family labor, 20% below their outside option in non-agriculture …

labor intensity in agriculture we combine data on crop-specific labor requirements and county-specific crop mix around 1900 …

Introduction /Petra Moser --The roots of agricultural innovation : patent evidence of knowledge spillovers /Matthew … Meyers, Paul W. Rhode --Comment /Michael J. Roberts --Local effects of land grant colleges on agricultural innovation and … --Venture capital and the transformation of private R&D for agriculture /Gregory D. Graff, Felipe de Fueiredo Silva, David …