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A production function highly concave in inputs will have a dual profit function less convex in prices. Even large variations in prices will cause little variation in input usage and output, resulting in poor profit function estimates. This is demonstrated using Monte Carlo simulation with...
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We use DEA (Data Envelopment Analysis) techniques to determine if measured inefficiencies are caused by a missing management input. We replace the quantity of operators’ labor with estimates of the value of labor and management, and then with net farm income from the previous year, to...
Persistent link: https://www.econbiz.de/10010921199
Simulation of nonparametric efficiency shows that even when the number of firms is large, defining ten or more inputs results in most firms being efficient. Comparison of empirical with simulated results suggests that the dimension of the problem rather than actual efficiencies has the greater...
Persistent link: https://www.econbiz.de/10009653804
Agricultural production estimates have often differentiated and estimated different technologies within a sample of farms. The common approach is to use observable farm characteristics to split the sample into groups and subsequently estimate different functions for each group. Alternatively,...
Persistent link: https://www.econbiz.de/10010879388
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Numerous models of price-demand-supply behavior in agricultural markets have been proposed and estimated. The literature contains valuable contributions, but the cumulative effect is somewhat disappointing. This paper appraises the status of the price analysis literature and makes suggestions...
Persistent link: https://www.econbiz.de/10005469017
Soil specific, chance constrained, dynamic models of agricultural production and nitrate leaching are developed to assess the impacts of nitrogen fertilizer taxes, quantity restrictions on fertilizer or leachate, and leachate permits. A programming model uses the solutions of these bioeconomic...
Persistent link: https://www.econbiz.de/10005469028
The skewness of the conditional return distribution plays a significant role in financial theory and practice. This paper examines whether conditional skewness of daily aggregate market returns is predictable and investigates the economic mechanisms underlying this predictability. In both...
Persistent link: https://www.econbiz.de/10004979527