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| Registros recuperados: 71 | |
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| Wolf, Christopher A.. |
| This paper examines the economics of farm decisions to prevent and control infectious livestock disease. In the case of diseases with costly control tolerating some level of disease is often rational to the producer. Public policy intervention is based on future value and public good aspects of disease control which can lead to a discrepancy between private and public action thresholds. Producer incentives for disease management can be changed through new technologies that lower the cost of prevention or control, subsidies or cost sharing of control measures, or on the consumer side, a change in public desire for disease risk-free products that changes relative prices. Economists can incorporate appropriate epidemiology of a given disease in economic... |
| Tipo: Journal Article |
Palavras-chave: Disease; Epidemiology; Producer incentives; Public policy; Agricultural and Food Policy; Livestock Production/Industries. |
| Ano: 2005 |
URL: http://purl.umn.edu/8179 |
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| Horan, Richard D.; Wolf, Christopher A.. |
| The spread of infectious disease among and between wild domesticated animals has become a major problem worldwide. Upon analyzing the dynamics of wildlife growth and infection when the disease animals cannot be identified separately from healthy wildlife prior to the kill, we find that harvest-based strategies alone have no impact on disease transmission. Other controls that directly influence disease transmission and/or mortality are required. Next, we analyze the socially optimal management of infectious wildlife. The model is applied to the problem of bovine tuberculosis among Michigan white-tailed deer, with non-selective harvests and supplemental feeding being the control variables. Using a two-state linear control model, we find a two-dimensional... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Resource /Energy Economics and Policy. |
| Ano: 2003 |
URL: http://purl.umn.edu/22224 |
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| Wittenberg, Eric; Wolf, Christopher A.. |
| This report summarizes the financial and production records of 144 dairy farms from throughout Michigan. To be included, the farms must have produced at least 50 percent of gross cash farm income from milk and dairy animal sales. The farms in this report were located throughout Michigan. The records came from Michigan State University's Telfarm project, the Farm Credit Service system, or by AgriSolutions in Michigan. The values were pooled into averages for reporting purposes. The farms are larger than would be the average of all dairy farms in Michigan. While considerable variation in the data exist, average values are reported in the summary tables and discussion that follows. |
| Tipo: Working or Discussion Paper |
Palavras-chave: Livestock Production/Industries. |
| Ano: 2005 |
URL: http://purl.umn.edu/11785 |
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| Wittenberg, Eric; Wolf, Christopher A.. |
| This report summarizes the financial and production records of 23 dairy farms across the Upper Peninsula (UP) of Michigan. To be included, the farms must have produced at least 50 percent of gross cash farm income from milk and dairy animal sales. The farms in this report were located throughout Michigan. The records came from Michigan State University's TelFarm project and Farm Credit Service system in Michigan. Farm records checked for accuracy. While considerable variation in the data exists, average values are reported in the summary tables and discussion that follows. |
| Tipo: Working or Discussion Paper |
Palavras-chave: Livestock Production/Industries. |
| Ano: 2005 |
URL: http://purl.umn.edu/11518 |
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| Wittenberg, Eric; Wolf, Christopher A.. |
| This report summarizes the financial and production records of 7 dairy grazing farms from across Michigan. These 7 farms indicated that they grazed dairy cows at least three months of the year and that grazing provided more than 30 percent of the forage consumed during the year. To be included, the farms must have produced at least 50 percent of gross cash farm income from milk and dairy animal sales. The records came from Michigan State University’s TelFarm project and the Farm Credit Service system in Michigan. The values were pooled into averages for reporting purposes. Farm records were checked for accuracy. While considerable variation in the data exists, average values are reported in the summary tables and discussion that follows. |
| Tipo: Report |
Palavras-chave: Farm Management; Livestock Production/Industries. |
| Ano: 2007 |
URL: http://purl.umn.edu/52296 |
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| Weatherspoon, Dave D.; Oehmke, James F.; Wolf, Christopher A.; Naseem, Anwar; Maredia, Mywish K.; Hightower, Amie L.. |
| The emergence of agricultural biotechnology and policy responses to is altering global agricultural trade patterns. This paper models the effects of restrictive policies concerning the production and consumption of genetically modified agricultural products. The model relies on a Hecksher-Ohlin-Samuelson framework, adapted to include neo-Schumpeterian research and innovation. The model includes two 'North' countries, the United States (US) and the European Union (EU), and the 'South'. The EU is represented as prohibiting the production and consumption of biotech products, but not restricting biotech research relative to NA. Model results include implications for economic growth, welfare, and trade patterns for the EU, US and S, given the restrictive... |
| Tipo: Working or Discussion Paper |
Palavras-chave: International Relations/Trade; Research and Development/Tech Change/Emerging Technologies. |
| Ano: 1999 |
URL: http://purl.umn.edu/11566 |
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| Wittenberg, Eric; Wolf, Christopher A.. |
| This report summarizes the financial and production records of 27 dairy farms across the Upper Peninsula (UP) of Michigan. To be included, the farms must have produced at least 50 percent of gross cash farm income from milk and dairy animal sales. The records came from Michigan State University’s TelFarm project and Farm Credit Service system in Michigan. Farm records checked for accuracy. While considerable variation in the data exists, average values are reported in the summary tables and discussion that follows. |
| Tipo: Working or Discussion Paper |
Palavras-chave: Agribusiness; Livestock Production/Industries. |
| Ano: 2007 |
URL: http://purl.umn.edu/7034 |
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| Harsh, Stephen B.; Wolf, Christopher A.; Wittenberg, Eric. |
| This paper summarizes the 1998 results of the Dairy Profitability and Production Efficiency project. Among the major findings are that the average cost of production was almost exactly equal to the average milk herd revenue on a per hundredweight basis. All eight farms covered variable costs of producing milk. Five of the eight farms showed a profit when all costs of production were included. All six farms that raised their own replacement heifers lost money on the enterprise. With respect to crop production, corn and corn silage were not profitable enterprises. The hay enterprise was profitable for five of the farms. |
| Tipo: Working or Discussion Paper |
Palavras-chave: Productivity Analysis. |
| Ano: 2001 |
URL: http://purl.umn.edu/11616 |
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| Wittenberg, Eric; Wolf, Christopher A.. |
| This report summarizes the financial and production records of 19 dairy farms across the Upper Peninsula (UP) of Michigan. To be included, the farms must have produced at least 50 percent of gross cash farm income from milk and dairy animal sales. The farms in this report were located throughout Michigan. The records came from Michigan State University�s TelFarm/MicroTel project, the Farm Credit Service system, or by AgriSolutions in Michigan. The values were pooled into averages for reporting purposes. Farm records checked for accuracy. While considerable variation in the data exists, average values are reported in the summary tables and discussion that follow. |
| Tipo: Working or Discussion Paper |
Palavras-chave: Livestock Production/Industries. |
| Ano: 2004 |
URL: http://purl.umn.edu/11625 |
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| Registros recuperados: 71 | |
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