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Agricultural Productivity Convergence: Myth or Reality? AgEcon
Poudel, Biswo N.; Paudel, Krishna P.; Zilberman, David.
We tested agricultural productivity convergence in the United States using the state level total factor productivity data and utilizing new estimation and cluster identification methods to identify convergence in the data. The empirical investigation did not indicate any evidence of agricultural total factor productivity (TFP) convergence at the state level. However, we found the evidence of TFP convergence at the regional level for some regions/clusters.
Tipo: Journal Article Palavras-chave: Agricultural total factor productivity; Convergence; Human capital; U.S. states; Production Economics; Productivity Analysis; Q10; O47.
Ano: 2011 URL: http://purl.umn.edu/100654
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From SO2 to Greenhouse Gases: Trends and Events Shaping Future Emissions Trading Programs in the United States AgEcon
Kruger, Joseph.
Cap-and-trade programs have become widely accepted for the control of conventional air pollution in the United States. However, there is still no political consensus to use these programs to address greenhouse gases. Meanwhile, in the wake of the success of the U.S. SO2 and NOx trading programs, private companies, state governments, and the European Union are developing new trading programs or other initiatives that may set precedents for a future national U.S. greenhouse gas trading scheme. This paper summarizes the literature on the "lessons learned" from the SO2 trading program for greenhouse gas trading, including lessons about the potential differences in design that may be necessary because of the different sources, science, mitigation options, and...
Tipo: Working or Discussion Paper Palavras-chave: Climate change; Emissions trading; European Union; U.S. states; Corporate environmentalism; Environmental Economics and Policy.
Ano: 2005 URL: http://purl.umn.edu/10819
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MODELING ECONOMIC GROWTH WITH UNPREDICTABLE SHOCKS: A STATE-LEVEL APPLICATION FOR 1960-90 AgEcon
Goetz, Stephan J.; Ready, Richard C..
A Barro-type economic growth model is estimated for the 50 states in the U.S. using data for three decades beginning in 1960. Frontier estimation techniques are used to test for the presence of state-specific shocks to economic growth that are independent of the usual, normally-distributed random errors. We find that large, positive shocks to growth occur during the period 1960-90. Our results indicate that the error term structure assumed each other OLS may not be appropriate for modeling economic growth.
Tipo: Journal Article Palavras-chave: Economic growth; Frontier estimation; Shocks; U.S. states; Community/Rural/Urban Development.
Ano: 1995 URL: http://purl.umn.edu/15263
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The Economic Returns to U.S. Public Agricultural Research AgEcon
Alston, Julian M.; Andersen, Matthew A.; James, Jennifer S.; Pardey, Philip G..
Replaced with revised version of paper 07/22/11. Former Title: Revisiting the Returns to U.S. Public Agricultural Research: New Measures, Models, Results, and Interpretation
Tipo: Working or Discussion Paper Palavras-chave: Spatial technology spillovers; Knowledge stocks; R&D lags; Public agricultural R&D; U.S. states; Research and Development/Tech Change/Emerging Technologies.
Ano: 2010 URL: http://purl.umn.edu/95522
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