Impact of local public goods on agricultural productivity growth in the U.S
AbstractIn this paper we revisit the issue on the impact of public R&D expenditure on US agricultural productivity growth. We estimate a dual cost function using a state-by-year panel data set. We construct the potential R&D “spillins” based on both geographical location and production mix. We also examine the role of the extension service, transportation network, and human capital in the process of technology dissemination. The results indicate that higher levels of local public goods, R&D spillins, extension activities, and an intensive transportation network decrease costs. The contributions to agricultural productivity from all series of R&D spillins are positive even though the social rate of return may differ.
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Bibliographic InfoPaper provided by Agricultural and Applied Economics Association in its series 2009 Annual Meeting, July 26-28, 2009, Milwaukee, Wisconsin with number 49333.
Date of creation: 2009
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productivity; public R&D expenditure; cost function; extension services; Productivity Analysis; Research and Development/Tech Change/Emerging Technologies; O3; O4;
Find related papers by JEL classification:
- O3 - Economic Development, Technological Change, and Growth - - Technological Change; Research and Development; Intellectual Property Rights
- O4 - Economic Development, Technological Change, and Growth - - Economic Growth and Aggregate Productivity
This paper has been announced in the following NEP Reports:
- NEP-AGR-2009-05-16 (Agricultural Economics)
- NEP-ALL-2009-05-16 (All new papers)
- NEP-EFF-2009-05-16 (Efficiency & Productivity)
- NEP-INO-2009-05-16 (Innovation)
- NEP-PBE-2009-05-16 (Public Economics)
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