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| Registros recuperados: 13 | |
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| Tonsor, Glynn T.; Featherstone, Allen M.. |
| This research evaluates the efficiency of swine firms differing by specialization type and employed technologies. Measures of technical, allocative, scale, economic, and overall efficiency are separately and jointly estimated for farrow-to-finish, farrow-to-feeder, feeder-to-finish, farrow-to-weanling, weanling-to-feeder, and mixed operations. Findings confirm appreciable differences in efficiency and causes of efficiency. Results suggest that overall efficiency of farrow-to-finish and farrow-to-weanling operations is on average lower than farrow-to-feeder, feeder-to-finish, and weanling-to-feeder operations. In addition, Tobit models examining how demographic factors, farm type, and input expenses influence efficiency indicate additional variation across... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Efficiency; Heteroskedastic Tobit; Firm specialization; Future anticipation; Producer heterogeneity; Production technology; Returns to scale; Swine; Livestock Production/Industries. |
| Ano: 2006 |
URL: http://purl.umn.edu/35379 |
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| Simpson, R. David. |
| There has been considerable recent interest in the valuation of ecosystem services. We focus here on the value of such services in the production of market goods. Although the conceptual basis for conducting such exercises is straightforward, the data with which to implement them empirically is generally not available. An upper bound on the value of ecosystem services arises when the production technology exhibits constant returns to scale in ecosystem services and market inputs jointly. There are compelling reasons to suppose that the existence of fixed factors of production would imply that production technologies exhibit decreasing return to scale. Under these circumstances, no general conclusions can be drawn. We show in an illustrative example that a... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Ecosystem services; Returns to scale; Elasticity of substitution; Resource /Energy Economics and Policy; Q29. |
| Ano: 2001 |
URL: http://purl.umn.edu/10832 |
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| Alarcón, Silverio. |
| Firm panel data sets over the period 1993 to 2002 are used to estimate translog production functions with labour, capital and material inputs for 9 Spanish food industries. To tackle the endogeneity of the regressors, the generalized method of moments estimations is employed. The specification tests reject the instrument variables only for 1 out of 9 estimates. The remaining 8 industries show evidence of homogeneity and constant returns to scale. Only one industry exhibits complete separability of all pairs of factors and thus translog is preferred to Cobb-Douglas specification for 7 industries. Substitutability and complementarity between production factors in response to price changes are studied through Morishima and Shadow elasticities.... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Translog; Elasticity of substitution; Generalized method of moments; Returns to scale; Agribusiness; C23; D24; L66. |
| Ano: 2005 |
URL: http://purl.umn.edu/24487 |
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| Simpson, R. David. |
| Placing production units under common ownership is often suggested as a solution to the problem of externalities. This will not always be true when there are decreasing returns to scale. An atomistic industry could be more efficient than a monopoly in some instances. Even when the "optimal" industry configuration would involve a finite number of producers, no two may have appropriate incentives to combine. An omniscient and benign regulator can always assure a more efficient outcome than would result from the combination of private producers. Whether real-world regulators should be called upon, however, is less clear. |
| Tipo: Working or Discussion Paper |
Palavras-chave: Externalities; Mergers; Returns to scale; Incentives; Land Economics/Use; L23; Q24. |
| Ano: 2001 |
URL: http://purl.umn.edu/10457 |
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| Lohr, Luanne; Park, Timothy A.. |
| Although organic farm activities seem to demand year-round employees, seasonal workers dominate the organic labor market. We use the elasticity of complementarity to assess input substitutability and predict adjustments. Farm size and farm workers are complementary inputs. Incentives that encourage farmers to expand employment of year-round and seasonal workers raise the marginal product and rates of return to organic acreage in relative wage payments. A commitment to local sales reduces organic farm incomes. A shift to local sales leads to decreased use of seasonal workers but at higher wages, with smaller adjustments in the wages of year-round workers. |
| Tipo: Report |
Palavras-chave: Elasticity of complementarity; Labor management; Organic farming; Returns to scale; Seasonal workers; Labor and Human Capital. |
| Ano: 2009 |
URL: http://purl.umn.edu/54549 |
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| Thapa, Sridhar. |
| This paper examines the farm size and productivity relationship using data from Nepalese mid hills. The household data used has been drawn from a survey conducted by the author and financed by the Norwegian University of Life Science. The analysis uses models both allowing for and not allowing for village dummies(as cluster controls), the ratio of irrigated land (as proxy for land quality), and other socio-economic variables such as households, belonging to caste groups, and family size (as proxy for access to resources). The result supported the almost âstylized factâ of inverse relationship (IR) between farm size and output per hectare. Total cash input use and labour hours per hectare were found to be higher on small farms. The findings of... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Inverse relationship; Farm size; Productivity; Returns to scale; Nepal; Q15; O13; Farm Management. |
| Ano: 2007 |
URL: http://purl.umn.edu/7940 |
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| Wang, Xiuqing; Weldegebriel, Habtu T.; Rayner, Anthony J.. |
| In this paper, we aim to model the vertical relation between retailers and suppliers in the food industry whereby retailers exercise seller power in their relation with consumers and buyer power in their relation with producers. We then evaluate the degree of price transmission, relative to the perfectly competitive benchmark, from the farm to the retail sector assuming a supply shock. With the view to evaluating the impact of market power's interaction with industry technology on the degree of price transmission, we assume industry technology to be characterised by variable input proportions and non-constant returns to scale. Our model predicts that, relative to that which obtains when markets are perfectly competitive and industry technology is... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Price transmission; Returns to scale; Market power; Demand and Price Analysis; Marketing; L11; Q13. |
| Ano: 2006 |
URL: http://purl.umn.edu/46004 |
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| Registros recuperados: 13 | |
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