Showing 1 - 10 of 435
U.S. agriculture was transformed during the 20th century by waves of innovation with mechanical, biological, chemical … innovation will be required to preserve past productivity gains in the face of climate change, coevolving pests and diseases, and … changing technological regulations—let alone increase productivity. Great potential exists for innovation in crop and livestock …
Persistent link: https://www.econbiz.de/10013322662
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 … evidence on the forces that drive research and innovation in agriculture. This book aims to provides such evidence through …
Persistent link: https://www.econbiz.de/10013309902
This paper seeks to better understand the historical origins of current differences in norms and beliefs about the appropriate role of women in society. We test the hypothesis that traditional agricultural practices influenced the historical gender division of labor and the evolution and...
Persistent link: https://www.econbiz.de/10013124538
In the American South, post-bellum economic stagnation has been partially attributed to white landowners' access to low-wage black labor; indeed, Southern economic convergence from 1940 to 1970 was associated with substantial black out-migration. This paper examines the impact of the Great...
Persistent link: https://www.econbiz.de/10013101831
We study the effect of information on technology adoption and productivity in agriculture. Our empirical strategy exploits the expansion of the mobile phone network in previously uncovered areas of rural India coupled with the availability of call centers for agricultural advice. We measure...
Persistent link: https://www.econbiz.de/10013292243
We report the results of a randomized experiment testing impacts of subsidies for modern agricultural inputs in rural Mozambique. One-time provision of a voucher for fertilizer and improved seeds leads to substantial increases in fertilizer use, which persist through two subsequent agricultural...
Persistent link: https://www.econbiz.de/10013032617
The standard treatment of U.S. agriculture asserts that, before the 1930s, productivity growth was almost exclusively the result of mechanization rather than biological innovations. This paper shows that, to the contrary, U.S. wheat production witnessed a biological revolution during the 19th...
Persistent link: https://www.econbiz.de/10013212344
This paper analyzes the role of social networks in the diffusion of knowledge and adoption of cultivation techniques, from trainees to the wider community, in the context of an extension project in Guinea-Bissau. In order to test for social learning, we exploit a detailed census of households...
Persistent link: https://www.econbiz.de/10013324703
product and process innovation (simultaneously adopting new machines and organizational practices) and adopt foreign … technologies, leading to higher productivity. We propose a model of endogenous selection and innovation in heterogeneous firms that … jointly explains the observed selection process and the innovation decisions. Further, we show in the data that innovation on …
Persistent link: https://www.econbiz.de/10013135408
We extend the basic Schumpeterian endogenous growth model by allowing incumbents to undertake innovations to improve their products, while entrants engage in more "radical" innovations to replace incumbents. Our model provides a tractable framework for the analysis of growth driven by both entry...
Persistent link: https://www.econbiz.de/10013137600