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CHALLENGES IN MODELING THE EFFECTS OF TRADE AGREEMENTS ON THE AGRICULTURAL SECTOR AgEcon
Westhoff, Patrick C.; Fabiosa, Jacinto F.; Beghin, John C.; Meyers, William H..
Major issues and challenges encountered in modeling and analyzing agricultural and trade policy reforms are reviewed. We focus on the modeling approach and pay special attention to the type and scope of the models, the calibration of a realistic baseline scenario, the representation of the reform agreement, the use of extra-model information, the choice of metrics to measure reform impacts, and emerging issues in policy modeling. Existing solutions and unresolved issues are examined. We stress the complementarity of various modeling approaches in assessing policy reforms and the importance of helping users understand the limitations of the chosen approach.
Tipo: Working or Discussion Paper Palavras-chave: Agricultural policy; Economic modeling; Trade agreements; International Relations/Trade.
Ano: 2004 URL: http://purl.umn.edu/18622
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Challenges in Modeling the Effects of Trade Agreements on the Agricultural Sector AgEcon
Westhoff, Patrick C.; Fabiosa, Jacinto F.; Beghin, John C.; Meyers, William H..
Major issues and challenges encountered in modeling and analyzing agricultural and trade policy reforms are reviewed. We focus on modeling approach and pay special attention to the type and scope of models, calibration of a realistic baseline scenario, representation of the reform agreement, use of extramodel information, choice of metrics to measure reform impacts, and emerging issues in policy modeling. Existing solutions and unresolved issues are examined. We stress the complementarity of various modeling approaches in assessing policy reforms and the importance of helping users understand the limitations of the chosen approach.
Tipo: Journal Article Palavras-chave: Agricultural policy; Economic modeling; Trade agreements; Q17; Q18; F13.
Ano: 2004 URL: http://purl.umn.edu/43385
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ECONOMIC ANALYSIS AND THE SHAPING OF PUBLIC POLICY: A 1995 FARM BILL PERSPECTIVE AgEcon
O'Brien, Patrick.
The 1995 Farm Bill debate proved different than many economists expected. It was overwhelmingly budget-driven. Few early concerns about the role of government, efficiency, equity, competitiveness, environment, rural development, and food were addressed. Economic analysis played a different role than anticipated. Models of who and how farm policy is made proved misleading; the debate circumvented the traditional process. Economic models were used more to perform budget accounting than substantive analysis. And their substantive analyses often failed to capture the attention of policymakers. Hence, while a reformist economist's dream, the bill leaves as many issues unanswered as it addresses.
Tipo: Journal Article Palavras-chave: Economic analysis of public policy; Economic modeling; Farm policy making; Policy reform; Agricultural and Food Policy.
Ano: 1996 URL: http://purl.umn.edu/15240
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Modelling Beef and Dairy Sectors' Productivities and their Effects on Land Use Change in Brazil Rev. Econ. Sociol. Rural
Harfuch,Leila; Nassar,André Meloni; Zambianco,Wilson Milani; Gurgel,Angelo Costa.
Abstract: This paper aims to develop new methodology for the Brazilian beef and dairy sectors incorporating different levels of productivities in the Brazilian Land Use Model (BLUM), analyzing land use dynamics. Several datasets combinations were used and supply and demand equations were re-estimated. Historical database developed in this paper shows that the livestock sector increased productivity levels per hectare (in both beef and dairy sectors), being an important land releaser for other agricultural uses. Even in frontier regions, the occupation process was followed by productivity increase. When technologies were implemented in BLUM, results show that there were significant differences on land use in 2030, reducing land for pasture compared to BLUM...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Land use; Beef and dairy; Production technologies; Economic modeling.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-20032016000200281
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Estimating the abortion risk difference in Neospora caninum seropositive dairy cattle in Brazil Ciência Rural
Nicolino,Rafael Romero; Capanema,Renato Oliveira; Oliveira,Camila Stefanie Fonseca de; Pastrana,Misael Enrique Oviedo; Lopes,Luciano Bastos; Haddad,João Paulo Amaral.
Neosporosis in cattle herds is associated with large economic losses, with abortion being the only clinical sign perceptible to the producer. Losses are estimated at over one billion dollars worldwide. This study aimed to estimate the abortion risk difference in seropositive animals using specific data for dairy herds in Brazil. Differences in the risk of abortion between seropositive and seronegative animals were calculated through a meta-analysis of previous data from several Brazilian states, and an increase of 10.04% (0.091 to 0.118) in the specific risk was identified. This finding indicates that more than 474,000 abortions caused by neosporosis may be occurring only in dairy cattle herds in Brazil, causing a major economic loss in the milk production...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Abortion risk; Neospora caninum; Dairy herd; Economic modeling; Brazil.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782015000901629
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