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Registros recuperados: 54 | |
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Wetzstein, Michael E.; Musser, Wesley N.; McClendon, Ronald W.; Edwards, David M.. |
The importance of timeliness is investigated in the selection of machinery complements for double-crop wheat and soybean production in the southeastern coastal plain. An intertemporal stochastic simulation model was developed to generate probability distributions that were evaluated with stochastic dominance analysis. This research investigated the importance of intertemporal production linkages and adequate soil moisture on machinery selection. Failure to include these dimensions can result in erroneous machinery choices. |
Tipo: Journal Article |
Palavras-chave: Farm Management. |
Ano: 1990 |
URL: http://purl.umn.edu/29998 |
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Chyen, David; Wetzstein, Michael E.; McPherson, Robert M.; Givan, William D.. |
Methyl parathion or Penncap M (an encapsulated methyl parathion) are used extensively throughout the United States for controlling stink bug pests in soybeans, Glycine Max (L.) Merrill. However, this insecticide is highly toxic to mammals, birds, and non-target arthropods, and thus is less environmentally sound than other insecticides. For environmental and human health considerations, investigating alternative insecticides for control is desired. For this investigation, research based on field experimental data from Florida, Georgia, and Louisiana during the 1988 and 1989 growing seasons were employed. Results indicate that alternative, currently available, and less toxic insecticides may reduce producer costs, increase yield, and improve soybean... |
Tipo: Journal Article |
Palavras-chave: Crop Production/Industries. |
Ano: 1992 |
URL: http://purl.umn.edu/29640 |
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Qiu, Cheng; Colson, Gregory; Zhang, Zibin; Wetzstein, Michael E.. |
The US Environmental Protection Agency announced a waiver allowing an increase in the Fuel-Ethanol blend limit (the “blend wall” ) from 10% (E10) to 15% (E15) on October,2010.Justifications for the waiver are reduced vehicle fuel prices and less consumption of petroleum gasoline, leading to energy security. In this paper, employing Monte Carlo simulations and Savitzky-Golay smoothing filter, an empirical study examines this waiver revealing an anomaly where a relaxation of this blend wall elicits a demand response. Under a wide range of elasticities, this demand response can actually increase the consumption of petroleum gasoline and thus lead to greater energy insecurity. The economics supporting this result and associated policy implications are... |
Tipo: Conference Paper or Presentation |
Palavras-chave: Blend wall; Energy security; Ethanol; Resource /Energy Economics and Policy. |
Ano: 2011 |
URL: http://purl.umn.edu/98795 |
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Wetzstein, Michael E.; Musser, Wesley N.; Linder, David K.; Douce, G. Keith. |
Principal component analysis in employed to develop indices that distinguish between participants and nonparticipants in Integrated Pest Management (IPM) programs. Results of incorporating these indices into yield, net return, and production cost functions for cotton producers indicate that both yield and costs increase as the degree of producer participation in IPM increases. Although these results are inconsistent with previous research, they are consistent with the theoretical relationship between IPM and conventional input usage. |
Tipo: Journal Article |
Palavras-chave: Crop Production/Industries. |
Ano: 1985 |
URL: http://purl.umn.edu/32308 |
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Zhang, Zibin; Vedenov, Dmitry V.; Wetzstein, Michael E.. |
The U.S. ethanol fuel industry has experienced preferential treatment from federal and state governments ever since the Energy Tax Act of 1978 exempted 10% ethanol/gasoline blend (gasohol) from the federal excise tax. Combined with a 54¢/gal ethanol import tariff, this exemption was designed to provide incentives for the establishment and development of a U.S. ethanol industry. Despite these tax exemptions, until recently, the U.S. ethanol fuel industry was unable to expand from a limited regional market. Ethanol was dominated in the market by MTBE (methyl-tertiary-butyl ether). Only after MTBE was found to contaminate groundwater and consequently banned in many states did the demand for ethanol expand nationally. Limit pricing on the part of MTBE... |
Tipo: Conference Paper or Presentation |
Palavras-chave: Resource /Energy Economics and Policy. |
Ano: 2007 |
URL: http://purl.umn.edu/34867 |
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Broder, Josef M.; Wetzstein, Michael E.. |
The quality of faculty advising has been a source of concern among students and faculty. As an initial attempt at addressing these concerns this paper summarizes the results of a faculty advising study in undergraduate agricultural economics programs. Various advising program characteristics among western schools are discussed and contrasted to schools in other regions. Interregional and interdepartmental variation was found in advisor resource allocation, advising program implementation, rewards and priorities, and evaluations of advising quality. Despite larger enrollments, smaller advising budgets, less support and lower rewards for advising, schools in the West reported advising quality comparable if not superior to that in other regions. |
Tipo: Journal Article |
Palavras-chave: Teaching/Communication/Extension/Profession. |
Ano: 1981 |
URL: http://purl.umn.edu/32571 |
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Acheampong, Yvonne J.; Wetzstein, Michael E.. |
Stochastic frontier analysis is employed for a comparison of value-added and traditional measures of performance. Results indicate value-added measures are not significantly different from traditional measures of performance and thus little if any information is gained by replacing traditional measures with value-added measures. However, value-added measures may be useful to managers for value creation decisions resulting in excess profits. |
Tipo: Working or Discussion Paper |
Palavras-chave: Agribusiness. |
Ano: 2001 |
URL: http://purl.umn.edu/16715 |
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Qiu, Cheng; Colson, Gregory; Wetzstein, Michael E.. |
In this study, a Structural Vector Autoregression model (SVAR) is employed to decompose how supply/demand structural shocks affect food and fuel prices within fuel and corn markets. Results indicate that the relative importance of each structural shock in explaining the variation of corn prices is different. Our findings support the hypothesis that corn prices increase as a response to those positive demand shocks in the short run, while in the long run, global competitive agricultural commodities markets as well as positive supply shocks respond to commodity price shocks, restoring prices to its long-run trends. In conclusion, fundamental market forces of demand and supply as well as real economic aggregated demand shocks were the main contributors of the... |
Tipo: Conference Paper or Presentation |
Palavras-chave: Food; Fuel; Food Consumption/Nutrition/Food Safety; Resource /Energy Economics and Policy. |
Ano: 2011 |
URL: http://purl.umn.edu/103689 |
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Centner, Terence J.; Wetzstein, Michael E.. |
The judiciary has relied on a firm's market share to evaluate the presence of monopoly power for a Sherman Act monopolization violation. However, an allegation that a firm's market share constitutes monopoly power may be refuted by evidence that there exists a contestable market. Contestable market theory shows that there is no monopoly power where there exists a threat of entry of other firms. This theory thereby offers agricultural cooperatives, which may have a large market share by reasons of the antitrust immunity provided by the Capper-Volstead Act, an argument to overcome allegations of a Sherman Act monopolization violation. |
Tipo: Journal Article |
Palavras-chave: Industrial Organization. |
Ano: 1984 |
URL: http://purl.umn.edu/29625 |
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Registros recuperados: 54 | |
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