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Alternativas de políticas comerciais para o agronegócio brasileiro sob diferentes pressuposições de retorno à escala AgEcon
Gurgel, Angelo Costa; Campos, Antonio Carvalho.
Este trabalho procura determinar os impactos de diferentes opções de política comercial, sob pressuposições alternativas de retornos à escala e natureza da competição, nos segmentos industriais, com ênfase especial nas indústrias ligadas ao agronegócio. O modelo de equilíbrio geral aplicado, GTAPinGAMS, é usado para implementar as simulações. Os resultados sugerem que os ganhos de bem-estar tenham sido superiores no modelo que considera as imperfeições de mercado. As variações setoriais na produção, importações e exportações foram levemente diferentes em magnitudes e sinais, sob pressuposições alternativas de estruturas de mercados, e dependentes da política comercial implementada. As diferentes medidas de política comercial permitem o aproveitamento de...
Tipo: Journal Article Palavras-chave: Política comercial; Economias de escala; Equilíbrio geral; International Relations/Trade.
Ano: 2003 URL: http://purl.umn.edu/56829
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Biofuels and Land Use Change AgEcon
Reilly, John M.; Gurgel, Angelo Costa; Paltsev, Sergey.
Biofuels may make a substantial contribution to meeting the world’s energy needs. That contribution may come sooner and be greater if there is a strong climate policy to reduce greenhouse gases and biofuels can be produced in a way that minimizes greenhouse gas emissions. We investigate the land use implications of biofuels under different policy conditions using a computable general equilibrium model of the world economy that has been adapted to explicitly consider land use change. We find that to meet a substantial portion of the worlds liquid fuel needs a global area approximately equal to that of today’s cropland would be needed. As much as two-thirds of the land could come from intensification of existing land, especially pastureland. Conversion of...
Tipo: Conference Paper or Presentation Palavras-chave: Land Economics/Use.
Ano: 2008 URL: http://purl.umn.edu/53490
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Economic Loss to the Brazilian Regions Due to the Doha Round Failure AgEcon
Pereira, Matheus Wemerson Gomes; Teixeira, Erly Cardoso; Gurgel, Angelo Costa.
We build a database and model to develop general equilibrium analysis of the Brazilian economy at the level of the five macro regions. The model is multiregional at global level as also at the Brazilian level. The project is coupled to the GTAP model through disaggregation of the original Brazilian input-output matrix and trade flows and follows the GTAPinGAMS structure and syntax to generate the General Equilibrium Analysis Project for the Brazilian Economy (PAEG). The regional database is that of the GTAP version 6 and represent the 2001 world economy. We aggregate the data in seven regions plus the five Brazilian sub-regions and nineteen commodities/sectors to apply the scenario Doha Round to determine the probable losses to the Brazilian regions from...
Tipo: Working or Discussion Paper Palavras-chave: Brazilian regions; General equilibrium; Agribusiness; Trade liberalization; International Development; International Relations/Trade; F13; F15; Q17.
Ano: 2009 URL: http://purl.umn.edu/53247
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Effects of the rural credit subsidy on economic growth and welfare of Brazilian regions AgEcon
Cardoso, Debora Freire; Teixeira, Erly Cardoso; Gurgel, Angelo Costa; Castro, Eduardo Rodrigues de.
The objective of this paper is to evaluate the impact of government spending with the Interest Rates Equalization (IRE) policy on the economic growth of Brazilian regions. Additionally, it aims to measure the opportunity cost of the subsidy in relation to an alternative application in the transportation sector. The model, database, and software from the General Equilibrium Analysis Project of the Brazilian Economy (PAEG) are applied to the simulations. The result shows that the IRE policy provides economic growth in the Midwestern, Northeastern and Southern regions above the cost of the policy. Besides, in the Northern and Southeastern regions, there is a decrease in the GDP. For Brazil, the policy is cost-effective and offers a 34% rate of return....
Tipo: Working or Discussion Paper Palavras-chave: Subsidies; Economic growth; Brazilian regions; PAEG; Agricultural and Food Policy.
Ano: 2011 URL: http://purl.umn.edu/114464
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Green House Gas Mitigation Policy, Bio-fuels and Land-use Change- a Dynamic Analysis AgEcon
Cai, Yongxia; Kicklighter, David W.; Gurgel, Angelo Costa; Paltsev, Sergey; Cronin, Timothy W.; Reilly, John M.; Melillo, Jerry M..
Tipo: Conference Paper or Presentation Palavras-chave: Research and Development/Tech Change/Emerging Technologies; Resource /Energy Economics and Policy.
Ano: 2010 URL: http://purl.umn.edu/61852
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