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CONVERGENCE IN U.S. TFP GROWTH FOR AGRICULTURE: IMPLICATIONS OF INTERSTATE RESEARCH SPILLOVERS FOR FUNDING AGRICULTURAL RESEARCH AgEcon
McCunn, Alan; Huffman, Wallace E..
This paper examines state agricultural total factor productivity (TFP) data, 1950-1982, for evidence of convergence, i.e., TFP growth rates of the future are inversely related to the TFP level at the starting data. After finding evidence of convergence, the paper examines the contributions of public and private R&D to convergence and presents implications for a more efficient organization of public agricultural research. For example, we find that increasing a states own investment in public agricultural research reduces the rate of TFP convergence but larger public investments in surrounding areas that potentially spillin increase the rate of convergence. Also, the results imply that the average rate of convergence in our best fitting model is about...
Tipo: Working or Discussion Paper Palavras-chave: Convergence; Total factor productivity; States; Spillins; Growth; Public research; Agriculture; Research and Development/Tech Change/Emerging Technologies.
Ano: 1998 URL: http://purl.umn.edu/18266
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Rates of Return to Public Agricultural Research in 48 U.S. States AgEcon
Plastina, Alejandro S.; Fulginiti, Lilyan E..
The internal rate of return to public investment in agricultural R&D is estimated for each of the continental U.S. states. Theoretically, our contribution provides a way of obtaining the returns to a local public good using Rothbart’s concept of virtual prices. Empirically, we use the spatial dependency among states generated by knowledge spillovers to define the ‘appropriate’ jurisdiction. We estimate an average own-state rate of 17% and a social rate of 27%. These figures should inform the policy debate on the allocation of federal funds to research in anticipation of a possible global food crisis.
Tipo: Conference Paper or Presentation Palavras-chave: Internal rates of return; Public R&D; Spillins; Local public goods; Appropriate jurisdiction; Spatial.; Production Economics; Productivity Analysis; Public Economics; Research and Development/Tech Change/Emerging Technologies; Q16; H41; C33; C31.
Ano: 2009 URL: http://purl.umn.edu/51709
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