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Aggregation and Calibration of Agricultural Sector Models Through Crop Mix Restrictions and Marginal Profit Adjustments AgEcon
Wiborg, Torben; McCarl, Bruce A.; Rasmussen, Svend; Schneider, Uwe A..
All agricultural sector models must deal with aggregation and calibration somehow. The aggregation problem involves treating a group of producers as if they all responded in the same way as a single representative unit. The calibration problem concerns making a model reproduce as closely as possible an empirically observed set of decision maker actions. This paper shows how both calibration and aggregation are addressed through crop mix restrictions combined with marginal profit adjust-ments.
Tipo: Conference Paper or Presentation Palavras-chave: Mathematical programming; Aggregation; Calibration; Crop mix; Marginal cost; Agricultural sector model; Agribusiness; C6; C61; Q1; Q11; Q17; Q18; R12; R13; R14.
Ano: 2005 URL: http://purl.umn.edu/24567
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Hurricanes and Possible Intensity Increases: Effects on and Reactions from U.S. Agriculture AgEcon
Chen, Chi-Chung; McCarl, Bruce A..
Hurricanes have caused substantial damage in parts of the U.S. Damages are increasing, perhaps as part of a natural cycle or perhaps in part related to global warming. This paper examines the economic damages that hurricanes cause to U.S. agriculture, estimates the increased damage from an increase in hurricane frequency/intensity, and examines the way that sectoral reactions reduce damages. The simulation results show that hurricanes and associated adjustments cause widespread damage and redistribute agricultural welfare. We find that crop mix shifts of vulnerable crops from stricken to nonstricken regions significantly mitigate hurricane damages.
Tipo: Journal Article Palavras-chave: Crop mix; Hurricane intensity; Stochastic agricultural sector model; Agribusiness; Crop Production/Industries; Production Economics; Q24; Q54; R14.
Ano: 2009 URL: http://purl.umn.edu/48758
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What does the introduction of energy crops mean for the crop mix and cellulosic ethanol plant location in Louisiana? AgEcon
Mark, Tyler B.; Darby, Paul M.; Salassi, Michael E..
This paper examines the introduction of energy cane and switchgrass in the available crops for production in the Louisiana Sugarcane Belt. Employing an optimal crop mix model net returns over variable costs for each county is maximized. Furthermore, this paper determines the optimal processing plant location based upon transportation of the biomass produced to one central location for processing.
Tipo: Conference Paper or Presentation Palavras-chave: Energy cane; Switchgrass; Biofuels; Transportation; Crop mix; Crop Production/Industries; Farm Management; Land Economics/Use; Production Economics.
Ano: 2010 URL: http://purl.umn.edu/56543
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