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| Sugano, Joel Yutaka; Santos, Antonio Carlos dos. |
| Given that the fast transformations occurred in national and international scenery point out to a necessity of gain of efficiency to increase in competitiveness to the firms, the environment which into they are and into they develop, assume a vital importance as been the supporter foundation of this development. For this environment can be understood as the process of space concentration of many correlative segments of a production chain, also called as clusterization process, which this special conformation gives to the firms special conditions to develops the superior competitive advantages than the others firms isolated. In this sense, this paper aim to arise how occurs the process of conformation of a big cluster, culminating in satisfaction of ten... |
| Tipo: Journal Article |
Palavras-chave: Cluster; Competitiveness; Agribusiness Chain.. |
| Ano: 2000 |
URL: http://purl.umn.edu/43356 |
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| Tesfatsion, Leigh; Stewart, Deron; McFadzean, David. |
| This study presents, motivates, and illustrates the use of a computational laboratory for the investigation of evolutionary trade network formation among strategically interacting buyers, sellers, and dealers. The computational laboratory, referred to as the Trade Network Game Laboratory (TNG Lab), is targetted for the Microsoft Windows desktop. The TNG Lab is both modular and extensible and has a clear, easily operated graphical use interface. It permits visualization of the formation and evolution of trade networks by means of real-time animations. Data tables and charts reporting descriptive performance statistics are also provided in real time. The capabilities of the TNG Lab are demonstrated by means of labor market experiments. |
| Tipo: Working or Discussion Paper |
Palavras-chave: Computational laboratory; Buyer-seller trade networks; Evolutionary game; Network animation; Agent-based computational economics; C++ class framework; Labor market experiments; International Relations/Trade. |
| Ano: 2000 |
URL: http://purl.umn.edu/18199 |
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| Perdikis, Nicholas. |
| The success of multilateral negotiations in reducing explicit trade barriers has focused the attention of policy makers and other interest groups on the impact domestic policies and attitudes may have on trade flows. In the area of genetically modified goods the principal area of dispute between the U.S. and the EU involves fundamental differences in the perception of these goods and consumer attitudes towards them. The current dispute settlement mechanisms do not provide a way of dealing with this type of issue. Existing bodies were designed to deal with "producer vested" interests and so cannot deal with "legitimate" consumer concerns. The paper concludes that a new body should be established to deal with these within the ambit of the WTO. |
| Tipo: Journal Article |
Palavras-chave: Conflicts; EU; GMOs; Trade; U.S.; International Relations/Trade. |
| Ano: 2000 |
URL: http://purl.umn.edu/23835 |
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| Frade, Carmen Oliveira. |
| A Agroecologia vem conquistando espaços, como paradigma em construção, a partir das criticas ao paradigma químico-reducionista, em crise. Envolvendo desde questões ambientais, exclusão social dos pequenos agricultores, formação e enfoques disciplinares, e a desvalorização do saber socialmente construído. Neste sentido, abordaremos neste trabalho a ‘Construção de um espaço para pensar e praticar a Agroecologia na UFRRJ e seus arredores’, realizando entrevistas com todos os envolvidos: estudantes, professores, pesquisadores e agricultores assentados, além de pesquisas em fontes primárias, em conjunto com as referências bibliográficas secundárias Observamos a conquista de espaço da Agroecologia em todos os níveis: no ensino, na pesquisa e na extensão Para sua... |
| Tipo: Thesis |
Palavras-chave: Farm economics Social aspects Education; Extension and communication. |
| Ano: 2000 |
URL: http://orgprints.org/24803/1/Frade_Constru%C3%A7%C3%A3o.pdf |
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| de Wit, M.P.; Blignaut, J.N.. |
| Irrigation farmers in the lower reaches of the Vaal and Riet Rivers are experiencing substantial yield reductions in certain crops and more profitable crops have been withdrawn from production, hypothesised, as a result of generally poor but especially fluctuating water quality. In this paper secondary data is used in a linear programming model to test this hypothesis by calculating the potential loss in farm level optimal returns. The model is static with a time frame of two production seasons. Linear crop-water quality production functions (Ayers & Westcot, 1983; adapted from Maas & Hoffmann, 1977) are used to calculate net returns for the eight most common crops grown. Results show optimal enterprise composition under various water quality... |
| Tipo: Journal Article |
Palavras-chave: International Development. |
| Ano: 2000 |
URL: http://purl.umn.edu/56172 |
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| Caracterização da produção de feijão caupi na região Meio-Norte do Brasil; Clima e aspectos de plantio; Cultivares de caupi para a região Meio-Norte do Brasil; Fertilidade, correção e adubação do solo; Cultivos consorciados; Manejo de plantas daninhas; Irrigação; Doenças do feijão caupi; Pragas do feijão caupi e seu controle; Ocorrência e controle de fitonematóides no feijão caupi no Meio-Norte do Brasil; Tecnologias para produção de sementes de feijão caupi; Colheita, beneficiamento e armazenamento do feijão caupi. |
| Tipo: Livros |
Palavras-chave: Vigna Unguiculata; Feijão de Corda; Sistema de Cultivo; Produtividade. |
| Ano: 2000 |
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/60604 |
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| SOUZA, I. R. P. de; ANDRADE, C. de L. T. de; BARRIGOSSI, J. A. F.. |
| Neste capítulo, apresentam-se, de forma sintética, informações sobre a cultura do milho nas condições edafoclimáticas dos tabuleiros costeiros do Piauí. O objetivo maior é disponibilizar a técnicos do setor agrícola, como extensionistas, professores, estudantes de Agronomia e irrigantes, informações técnicas resultantes de trabalhos de pesquisa e da experiência dos autores com a cultura na região. |
| Tipo: Parte de livro |
Palavras-chave: Quimigação; Zea Mays; Clima; Época de Plantio; Variedade; Produtividade; Adubação; Pratica Cultural; Espaçamento; Irrigação; Erva Daninha; Praga de Planta; Colheita; Comercialização. |
| Ano: 2000 |
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1148175 |
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| Stokes, Jeffrey R.. |
| The nature of indemnities and reliance on futures price averaging during two distinct time intervals throughout the production year imply Crop Revenue Coverage (CRC) insurance behaves like an exotic put option. Treating this type of insurance as a derivative security, an analytical model is developed and an algorithm for solving the model to place a lower bound on insurance premiums is presented. Monte Carlo simulation, taking into account the path-dependent nature of an Asian-type option, is then used to determine lower-bound estimates for insurance premiums on corn gross revenue under specified price and yield distributions. |
| Tipo: Journal Article |
Palavras-chave: Risk and Uncertainty. |
| Ano: 2000 |
URL: http://purl.umn.edu/30839 |
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| Liodakis, George. |
| This paper investigates the dialectic between social restructuring and technical change within the transition to capitalism in Greek agriculture. Contrary to neo-populist interpretations, it is argued that capitalism has developed considerably, and that technical change has played a major role in the process of class differentiation and capitalist development. While the new capitalist strategy for agricultural restructuring has reinforced the process of concentration and capitalist development, with a devastating impact on small farmers, it is argued that the social conflicts involved and the recent agrarian mobilisations tend to form an alternative strategy for the semi-proletarianised 'working class', negating both neo-populism and capitalist... |
| Tipo: Journal Article |
Palavras-chave: Political Economy. |
| Ano: 2000 |
URL: http://purl.umn.edu/26414 |
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| LEITE,Rosseval Galdino; ARAUJO-LIMA,Carlos A. R. M.. |
| Mylossoma aureum e M. duriventre são duas espécies abundantes na várzea do rio Solimões/Amazonas, entretanto, pouco se conhece sobre a ecologia de suas larvas. Aqui, são descritas as dietas de larvas de 4,5 a 16 mm de comprimento padrão, no rio e em cinco lagos de várzea. As capturas foram feitas com rede de ictioplâncton e rede de mão nos principais mesohabitats do rio e da sua planície de inundação. A contribuição relativa dos alimentos foi analisada pelos seus pesos secos no conteúdo estomacal. Os mesohabitats e o comprimento das larvas foram considerados na avaliação da dieta. Verificou-se que as duas espécies alimentaram-se com maior intensidade nas áreas inundadas, principalmente nos capins aquáticos, e raramente no canal do rio. Os alimentos que... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Peixe; Alimentação; Larva; Amazônia; Zooplâncton. |
| Ano: 2000 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672000000100129 |
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| Mancuso, Anthony J.. |
| Traditionally, estimation of demand systems is predicated on the validity of several axioms of consumer behavior. While such abstractions make empirical work easier, they can also overlook important economic behavior. Because the price of a good does not reflect the total cost of purchase, there is reason to believe that consumer responses to changes in price are not continuous. Utilizing a regime switching model, we show that there are indeed important threshold effects, and that these effects bias elasticity estimates toward zero. |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Demand and Price Analysis. |
| Ano: 2000 |
URL: http://purl.umn.edu/21811 |
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| Registros recuperados: 8.322 | |
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