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| Registros recuperados: 14 | |
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| Dvoskin, Dan; Heady, Earl O.. |
| An interregional, large-scale linear programming model is used to evaluate the economic impact of the energy crisis on U.S. agricultural production. The study examines the changes in crop production under energy minimization, an energy shortage, high energy prices, and high agricultural exports accompanied by high energy prices. Results indicate that reduced supplies or higher prices for energy will have important impacts on commodity prices, irrigated agriculture, and on rural communities. |
| Tipo: Journal Article |
Palavras-chave: Resource /Energy Economics and Policy. |
| Ano: 1977 |
URL: http://purl.umn.edu/32340 |
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| Roberts, Roland K.; Heady, Earl O.. |
| Several past studies used time series data to estimate price elasticities of demand for fertilizer or nutrient use on all crops in the United States or by region. In this study, demand functions for nitrogen, phosphorous and potassium applied per acre of corn, wheat and soybeans in the United States were estimated, using a combination of autoregressive least squares and seemingly unrelated regression techniques. The results suggest that the demands for nitrogen, phosphorous and potassium applied to corn are price elastic, while similar responses for wheat and soybeans are price inelastic. Nitrogen and phosphorous applied per acre of corn were found to be positively related to government sponsored acreage diversion. The estimated elasticities could provide... |
| Tipo: Journal Article |
Palavras-chave: Crop Production/Industries. |
| Ano: 1982 |
URL: http://purl.umn.edu/32277 |
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| Lin, An-Yhi; Heady, Earl O.. |
| This study includes an estimate of cost functions for paddy farms in Formosa. Two types of estimational techniques are used; namely regression estimates and synthesized or budgeted cost curves. Long-run and short-run regression-derived curves are estimated for rice and sweet potato farms from samples which provide the observations. Estimates are for total cost functions with average cost functions computed per hectare. From sample observations, it was possible to derive, through regression estimates, only linear total cost functions. The non-linear average cost functions have only slight (economically unimportant) slopes beyond 2-5 hectares. Hence, large farms do not seem to be an important policy imperative. However, the steep slope of the average cost... |
| Tipo: Journal Article |
Palavras-chave: Crop Production/Industries. |
| Ano: 1970 |
URL: http://purl.umn.edu/22406 |
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| Registros recuperados: 14 | |
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