Sabiia Seb
PortuguêsEspañolEnglish
Embrapa
        Busca avançada

Botão Atualizar


Botão Atualizar

Ordenar por: 

RelevânciaAutorTítuloAnoImprime registros no formato resumido
Registros recuperados: 29
Primeira ... 12 ... Última
Imagem não selecionada

Imprime registro no formato completo
A exclusão social de mulheres jovens, com idade entre 15 a 24 anos, no mercado de trabalho no Brasil AgEcon
Fernandes, Rosangela Aparecida Soares; Lima, Joao Eustaquio de; Santos, Cristiane Marcia.
Vários fatores como escolaridade, renda per capita, experiência, maternidade, raça, dentre outros, têm contribuído para a exclusão de mulheres jovens no mercado de trabalho. O objetivo deste artigo é identificar a situação das mulheres jovens, com idade entre 15 e 24 anos, no mercado de trabalho brasileiro em 2005. Estimou-se um modelo logit multinomial para as probabilidades das jovens encontrarem, em determinado período de tempo, em uma das seguintes ocupações: inativo, ativo e empregado, ou ativo e desempregado. Verificou-se que, o aumento da escolaridade e experiência diminui as probabilidades de emprego e desemprego e aumenta a probabilidade inatividade. A renda per capita relaciona-se positivamente com as probabilidades de inatividade e empregado e...
Tipo: Conference Paper or Presentation Palavras-chave: Ercado de trabalho; Mulheres jovens; Emprego; Exclusão social; Desemprego; Labour market; Young women; Employment; Social exclusion; Unemployment; Labor and Human Capital.
Ano: 2008 URL: http://purl.umn.edu/108575
Imagem não selecionada

Imprime registro no formato completo
A Intensidade da Exploração Agropecuária como Indicador da Degradação Ambiental na Região dos Cerrados, Brasil AgEcon
Cunha, Nina Rosa da Silveira; Lima, Joao Eustaquio de; Gomes, Marilia Fernandes Maciel; Braga, Marcelo Jose.
Being constituted as the largest risk factor and effective degradation to the Savannah, the man’s intervention in the nature and, especially, the agricultural exploration require analysis and better monitoring. This work aims to analyze the relationship between the agricultural exploration and the environmental degradation in the area of the Savannahs, in 1995-1996. In particular, it is intended, to use multivariate statistical analysis, to verify the factors associated with the intensity of farming predominant in the determination of the degradation pattern, and to obtain indexes of exploration intensity to make possible to categorize and to group the microrregions in terms of degradation potential. The results showed that the intensity of the...
Tipo: Journal Article Palavras-chave: Environmental degradation; Intensity of agricultural exploration; Savannah; Factorial analysis; Index of environmental degradation.; Agribusiness; Q50..
Ano: 2008 URL: http://purl.umn.edu/61241
Imagem não selecionada

Imprime registro no formato completo
ANÁLISE COMPARATIVA ENTRE ESTRATÉGIAS DE HEDGE COM BASE EM MODELOS ESTÁTICOS E DINÂMICOS PARA CONTRATOS FUTUROS DE CAFÉ ARÁBICA AgEcon
Muller, Carlos Andre da Silva; Moura, Altair Dias de; Lima, Joao Eustaquio de.
Dentro do agronegócio brasileiro, o café arábica está entre os produtos com o mais elevado nível de risco e, ainda assim, é um produto importante para a economia brasileira. Os mercados futuros são reconhecidos como meio de gerenciamento desses riscos, mas observou-se o baixo uso desse mecanismo no caso brasileiro. Por outro lado, a literatura tem avançado quanto aos métodos para realização de estratégias de hedge. Em vista disso, esse artigo teve a finalidade de analisar a efetividade, em redução de riscos, de diferentes estratégias de hedge para o café arábica no Brasil. Foram Testadas quatro estratégias: não atuação em mercados futuros; cobertura completa; estratégia estática que incorpora o conteúdo informacional em médias condicionais, obtida pelo...
Tipo: Conference Paper or Presentation Palavras-chave: Efetividade; Hedge; Café arábica; VEC; MGARCH BEKK; Effectiveness; Hedge; Arabian coffee; Agribusiness; Crop Production/Industries; Risk and Uncertainty.
Ano: 2008 URL: http://purl.umn.edu/113187
Imagem não selecionada

Imprime registro no formato completo
Análise da alavancagem das empresas de capital aberto do agronegócio brasileiro: uma abordagem usando logit multinomial AgEcon
Bressan, Valéria Gama Fully; Bressan, Aureliano Angel; Lima, Joao Eustaquio de; Braga, Marcelo Jose.
This study intends to verify which variables affect the financial leverage of Brazilian agribusiness companies, considering the migration in the indebtedness ranges as proposed in the model of Matarazzo (1998). 26 companies were selected in accordance to the following links of the agribusiness chain flow: a) agricultural production; b) input supplying; and c) processing and distribution. The study was conducted using a multinomial logit model, based on annual data from 1999 to 2005. The results indicate that the variables tangibility of assets, growth opportunities, size and profitability were statistically significant in the explanation of the debt structure of Brazilian agribusiness companies.
Tipo: Journal Article Palavras-chave: Financial leverage; Capital structure; Agribusiness; Multinomial logit; Agribusiness.
Ano: 2008 URL: http://purl.umn.edu/54077
Imagem não selecionada

Imprime registro no formato completo
ANÁLISE DA ESTRUTURA ESPACIAL DO MERCADO BRASILEIRO DE SUÍNOS AgEcon
Rosado, Patricia Lopes; Maciel, Marilia Fernandes; Lima, Joao Eustaquio de.
Objetivou-se, neste trabalho, analisar o padrão e o grau de integração dos mercados de suínos nos diferentes estados brasileiros, no período de janeiro de 1980 a março de 2005. foram analisados aspectos relacionados à forma de relacionamento entre eles e à determinação dos mercados mais ou menos integrados. além do mais, analisaram-se os fatores que determinam o grau de integração entre esses mercados. O método utilizado neste estudo foi o de séries temporais, mais especificamente a análise de co-integração multivariada de modo geral, observou-se que o mercado brasileiro de suínos apresentou grande dinamismo em relação ao comportamento dos preços nas diferentes localidades que compõem o mercado, considerando que todos os ajustes ocorreram relativamente...
Tipo: Conference Paper or Presentation Palavras-chave: Integração de mercado; Suínos e co-integração multivariada; Market integration; Swine e multivariate co-integration; Livestock Production/Industries.
Ano: 2008 URL: http://purl.umn.edu/109794
Imagem não selecionada

Imprime registro no formato completo
Análise dos determinantes do endividamento das empresas de capital aberto do agronegócio brasileiro AgEcon
Bressan, Valéria Gama Fully; Lima, Joao Eustaquio de; Bressan, Aureliano Angel; Braga, Marcelo Jose.
Studies involving capital structure and the identification of its determinants are relevant issues in the field of corporate finance management research. In this regard, the present study intends to evaluate the determinants of corporate leverage in the Brazilian agribusiness sector using the model of Rajan and Zingales (1995). In the definition of the sample there were selected 26 companies that are classified in one of three subdivisions of the Brazilian agribusiness sector: a) the agriculture or cattle raising; b) inputs or production factors and c) processing and distribution sector, using as reference the CNA classification. The study used data from the Economatica® database, with the adoption of panel data methods. The results indicated that the...
Tipo: Journal Article Palavras-chave: Debt; Capital structure; Agribusiness; Pecking Order Theory.; Agribusiness; Environmental Economics and Policy; Q14; G32.
Ano: 2009 URL: http://purl.umn.edu/60816
Imagem não selecionada

Imprime registro no formato completo
ANÁLISE ESPACIAL DOS PRINCIPAIS DETERMINANTES DA RENDA PER CAPITA DOS MUNICÍPIOS BRASILEIROS AgEcon
Lazzarotto, Joelsio Jose; Lima, Joao Eustaquio de.
Como no Brasil existem grandes heterogeneidades com relação à renda per capita, buscou-se estudar importantes aspectos determinantes da formação dessa renda nos diversos municípios. Com base em dados de 5.425 municípios, foram empregadas técnicas de análise exploratória de dados espaciais e de estimação de modelos econométricos espaciais. Dentre os resultados obtidos, pode-se destacar três: 1) existem grandes disparidades municipais relacionadas com os rendimentos individuais; 2) a análise exploratória de dados espaciais indicou a existência de dependência espacial envolvendo a renda per capita média dos municípios; e 3) os modelos econométricos estimados evidenciaram que, variações relacionadas com escolaridade, nível de emprego, desempenho dos setores...
Tipo: Conference Paper or Presentation Palavras-chave: Dependência espacial; Heterogeneidade espacial; Clusters municipais; Spatial dependence; Spatial heterogeneity; Municipal clusters; Financial Economics.
Ano: 2008 URL: http://purl.umn.edu/103145
Imagem não selecionada

Imprime registro no formato completo
Como compensar e incentivar os municípios a proteger e conservar o meio ambiente? O caso do ICMS Ecológico em Minas Gerais AgEcon
Fernandes, Luciany Lima; Coelho, Alexandre Braganca; Fernandes, Elaine Aparecida; Lima, Joao Eustaquio de.
The ecological ICMS was first used to distribute a share of the ICMS revenue in the state of Parana in 1991. This pioneer experience originated from counties’ claims which argued that their economies were harmed by land use restrictions, mainly because they were watershed protection areas or their territory was part of a conservation unit. Responding to these claims, the state government changed the ICMS allocation criteria, favoring those counties with added funds. In the Minas Gerais State, the Ecological ICMS was implemented in 1995 with the “Robin Hood Law”. The objective of this study was to evaluate the Ecological ICMS in Minas Gerais as an instrument for compensation and incentive. Results showed the creation of a conservation unit would compensate...
Tipo: Working or Discussion Paper Palavras-chave: Ecological ICMS; Minas Gerais; Panel Data Model; Conservation Units.; Environmental Economics and Policy.
Ano: 2009 URL: http://purl.umn.edu/53224
Imagem não selecionada

Imprime registro no formato completo
Demanda industrial de energia elétrica em Minas Gerais, 1970-2002 AgEcon
Mattos, Leonardo Bornacki de; Reis, Bricio dos Santos; Lima, Joao Eustaquio de; Lirio, Viviani Silva.
The main objective of this paper was to obtain an estimate for the industrial electricity demand in Minas Gerais in the period from 1970 to 2002. After identifying that the series were nonstationary, it was used the Cointegration approach, being estimated a Vector Error Correction Model (VEC Model). The results showed that both price and income elasticities are inferiors to the unit. The projections for period 2004/2008 indicate that the consumption of electricity should present superior taxes of growth to the observed ones in the decade of 90.
Tipo: Journal Article Palavras-chave: Industrial Demand; Electricity; Cointegration; VEC Model; Demand and Price Analysis.
Ano: 2005 URL: http://purl.umn.edu/56746
Imagem não selecionada

Imprime registro no formato completo
DETERMINANTES DA ERRADICAÇÃO DA FEBRE AFTOSA NO BRASIL AgEcon
Muller, Carlos Andre da Silva; Mattos, Leonardo Bornacki de; Lima, Joao Eustaquio de.
Foot and mouth disease (FMD) has been a problem for the Brazilian livestock since the XIX century. Once it affects the livestock productivity and has always been a problem for the country exports due to the imposition of sanitary barriers. In 1992, when no state was free from FMD, the National Program for Eradication of FMD (PNEFA) was implemented. Since then good results has been obtained with control and eradication of the disease in some states. However, in other states the problem still persists. It is important to determine why some states have faced difficulties in reaching the status of free from FMD while others not. This work aimed to identify the factors which discriminate the populations of states free from FMD from those not free. The results...
Tipo: Journal Article Palavras-chave: Foot and mouth disease; Brazil; Discriminant analysis; Livestock; PNEFA..
Ano: 2007 URL: http://purl.umn.edu/43799
Imagem não selecionada

Imprime registro no formato completo
Determinantes do desmatamento em pequenas propriedades na Amazônia: um estudo de caso em Uruará - PA AgEcon
Pereira, Ritaumaria de J.; Vieira, Wilson da Cruz; Lima, Joao Eustaquio de; Caldas, Marcellus Marques.
The main objective of this paper was to analyse the factors that influence deforestation in small rural farms of a colonization area in Brazil’s Amazon Region. It was used data from 138 small farms distribuited over the transamazonic road in the municipality of Uruará, PA. The data was collected during july and august of 2002. A Tobit model with sample selectivity with etimation in two stages (Heckman) was used. In the first stage, the probability of deforestation was explained mainly by the presence of cattle in the farm. In the second stage, the deforestation area was modeled as a function of various factors. The results showed that the main determinants of deforestation are the amount paid for lired labor, the distance from the main road, the number of...
Tipo: Journal Article Palavras-chave: Brasilian Amazon; Deforestation; Colonization; Tobit model; Environmental Economics and Policy.
Ano: 2004 URL: http://purl.umn.edu/56790
Imagem não selecionada

Imprime registro no formato completo
Efeitos da imposição de barreiras técnicas e fitossanitárias nas exportações brasileiras de mamão AgEcon
Faria, Rosane Nunes de; Lirio, Viviani Silva; Silva, Orlando Monteiro da; Lima, Joao Eustaquio de.
The main objective of this paper was to identify technical and sanitary requirements that could be qualified as export barriers for the Brazilian papaya and to quantify their effects on the volume exported to the United States of America. The methodology consisted of both qualitative and quantitative analysis. Qualitative information collected by means of interviews with producers and exporters were analyzed with the use of frequencies and descriptive statistics. A time series model of transfer function was estimated to analyze the impact of technical and sanitary barriers upon Brazilian papaya exports. Through the qualitative analysis it was possible to identify five technical and sanitary requirements that could be qualified as export barriers. Due to...
Tipo: Journal Article Palavras-chave: Technical barriers; Sanitary requirements; Papaya; Transfer function model; International Relations/Trade.
Ano: 2005 URL: http://purl.umn.edu/56735
Imagem não selecionada

Imprime registro no formato completo
Efeitos redistributivos e determinantes de recebimento do ICMS Ecológico pelos municípios mineiros AgEcon
Fernandes, Luciany Lima; Coelho, Alexandre Braganca; Fernandes, Elaine Aparecida; Lima, Joao Eustaquio de.
The ecological ICMS was first used to distribute a share of the ICMS revenue in the state of Parana in 1991. In the Minas Gerais State, the Ecological ICMS was implemented in 1995 with the “Robin Hood Law”. The objective of this study was to evaluate the change in the ICMS distribution in Minas Gerais caused by the introduction of the ecological criterion. Results showed that the distributional effects were small mainly due to the small percentage allocated to counties, benefiting mainly poor and small counties and harming most counties. A logit model was estimated to check the determinants of counties on receiving the Ecological ICMS. Results showed that counties area and the ICMS amount received by the value-added criterion had positive effect on the...
Tipo: Working or Discussion Paper Palavras-chave: Ecological ICMS; Minas Gerais; Logit Model; Distribution; Environmental Economics and Policy; Public Economics.
Ano: 2009 URL: http://purl.umn.edu/53246
Imagem não selecionada

Imprime registro no formato completo
EFICIÊNCIA TÉCNICA E DE ESCALA DAS COOPERATIVAS NO SETOR LÁCTEO AgEcon
Ferreira, Marco Aurelio Marques; Jose Braga, Marcelo; Lima, Joao Eustaquio de.
The advancement of investor-owned firms (IOF), mainly multinational ones, and the reduced participation of cooperatives in dairy production and processing in Brazil along the past few decades has been calling the attention of researchers. With the participation of 59 productive units, distributed over 9 states of the Brazilian territory, the objective of this work was to analyze the efficiency of the cooperatives in the dairy industry using the Data Envelopment Analysis (DEA). The results show that, in general, the cooperatives presented better performance in terms of scale rather than in terms of productive efficiency. This stimulates sectorial politicies that promote improvements in the use of the resources to obtain greater efficiency in milk processing.
Tipo: Journal Article Palavras-chave: Cooperatives; Efficiency; Dairy products.
Ano: 2008 URL: http://purl.umn.edu/48439
Imagem não selecionada

Imprime registro no formato completo
ELASTICIDADE NA TRANSMISSÃO E FORMAÇÃO ESPACIAL DE PREÇOS DE LEITE AO PRODUTOR NOS PRINCIPAIS ESTADOS BRASILEIROS AgEcon
Fernandes, Rosangela Aparecida Soares; Braga, Marcelo Jose; Lima, Joao Eustaquio de.
Analisou-se a elasticidade de transmissão de preços e a formação espacial entre as principais regiões produtoras de leite do Brasil, no período de 1997 a 2005, pela análise de co-integração, e pelo Modelo Vetorial de Correção de Erro (VEC). Os resultados evidenciaram que a variação de 1% nos preços recebidos pelos produtores de leite de Minas Gerais leva a uma variação de 0,38%, 0,72%, 0,93% e 0,26% nos preços em São Paulo, Rio Grande do Sul, Paraná e Goiás, respectivamente. Pela estimação do VEC os coeficientes do Paraná e São Paulo, em módulo, foram comparativamente maiores aos demais. São Paulo foi menos interdependente, indicando comportamento mais isolado no padrão de liderança preço. Verificou-se que, com o passar dos meses os preços de Minas...
Tipo: Conference Paper or Presentation Palavras-chave: Leite; Comercialização Agrícola; Transmissão de Preços; Milk; Agricultural Commercialization; Transmission of Prices; Livestock Production/Industries.
Ano: 2008 URL: http://purl.umn.edu/108577
Imagem não selecionada

Imprime registro no formato completo
Estrutura da tecnologia de produção agrícola regional: uma abordagem da programação de metas AgEcon
Baptista, Antonio Jose Medina dos Santos; Avila, William Romell Benevides de; Lima, Joao Eustaquio de; Gomes, Adriano Provezano.
The objective of this study was to analyze the average production functions and the frontiers production function to characterize the structure of the agricultural production technology. Using data of the agricultural census of 1995/96 regarding the mesorregião of the Triangulo Mineiro and Alto Paranaíba of the State of Minas Gerais the goal programming was used to calculate the parameters of the Cobb Douglas production functions. One of the main conclusions is the existence of significant differences in the level of productive efficiency and in the structure of the production technologies in this Mesorrregião, indicating the bias that is incurred when making decisions only based on the parameters of the average production function. Another important...
Tipo: Journal Article Palavras-chave: Production function; Goal Programming; Efficiency; Agriculture; Production Economics.
Ano: 2006 URL: http://purl.umn.edu/55306
Imagem não selecionada

Imprime registro no formato completo
Integração e transmissão de preços entre os mercados de trigo argentino e internacional AgEcon
Coronel, Daniel Arruda; Amorim, Airton Lopes; Sousa, Eliane Pinheiro de; Lima, Joao Eustaquio de.
The aim of this paper is to check if there is a relation between the wheat prices of the Argentinian and the International market, if these markets are integrated in space. For that, it was used as time reference the period from January, 1994 to April, 2009. Unit root tests, Granger causality, Johansen cointegration, estimation of the impulse response function, decomposition of error variation and estimation and analysis of the error correction model were used. The results indicated that variations in the international prices of wheat were almost completely transmitted for the run long. However, it is not possible to affirm that the Argentinian and the International markets are perfectly integrated even if they have a higher transmission of prices This is...
Tipo: Working or Discussion Paper Palavras-chave: Integration of prices; Law of the One Price; Wheat market; Demand and Price Analysis; International Relations/Trade; C32; Q13.
Ano: 2010 URL: http://purl.umn.edu/114463
Imagem não selecionada

Imprime registro no formato completo
Integração espacial de mercados na presença de custos de transação: um estudo para o mercado de boi gordo em Minas Gerais e São Paulo AgEcon
Mattos, Leonardo Bornacki de; Lima, Joao Eustaquio de; Lirio, Viviani Silva.
The analysis of market integration of agricultural commodities based on price information are limited because the effects of transaction costs are not considered in the adjustment process. The main objective of this paper was to estimate the possible transaction costs impacts on market integration of beef cattle between the states of Minas Gerais and São Paulo. It was estimated a Threshold Vector Error Correction Model (TVEC model) using monthly price data for the period from January 1972 to August 2005. The results indicated the presence of threshold cointegration implying that transaction costs have important effect on the price adjustment process.
Tipo: Journal Article Palavras-chave: Market integration; Transaction costs; Beef cattle; TVEC model; Threshold cointegration.; Agribusiness; Q13; C32.
Ano: 2009 URL: http://purl.umn.edu/60821
Imagem não selecionada

Imprime registro no formato completo
Localização economicamente ótima das novas agroindústrias de abate e processamento de aves e suínos no Brasil AgEcon
Andrade, Wendel Sandro de Paula; Gomes, Marilia Fernandes Maciel; Santos, Heleno do Nascimento; Lima, Joao Eustaquio de.
The objective of this study is to determine the optimum economically location of new slaughter and processing plants of poultry and pork in Brazil, considering the minimization of transportation cost and acquisition of corn and soy bran, and the transportation cost of meat. The theory of localization was used, as theoretical approach, reletead to the weberiana theory of the industrial localization, used, with larger intensity. Network capacited model is used as analytic tool. The main result was the indication of Cândido Mota, SP, for the set the processing plant, due, mainly, a short distance among that municipal district and the corn production cluster and its proximity with important meat consuming areas, and with the main ports. The results indicated:...
Tipo: Journal Article Palavras-chave: Localization; Transportation cost; Meat processing plants; Poultry; Pork; Livestock Production/Industries.
Ano: 2007 URL: http://purl.umn.edu/54592
Imagem não selecionada

Imprime registro no formato completo
Preço de reserva e "caronas" para o bem público: área de proteção ambiental (APA) São José - MG AgEcon
Cirino, Jader Fernandes; Goncalves, Rosiane M. Lima; Lirio, Viviani Silva; Lima, Joao Eustaquio de.
Despite the importance of its ecosystem and being an environmental preservation area, the São José Environmental Protection Area (EPA) in the State of Minas Gerais has shown deterioration in recent years. Because of this, public policy becomes relevant to São José EPA´s conservation. Given to the difficulty of obtaining the true current benefits of those policies, the present article aimed at: a) to estimating benefit´s public policy obtaining of medium reservation's price, starting from the contingent valuation; e b) to analyzing the "free riders" in the demand for the improvement and preservation of EPA. It was possible to notice the "free riders's" existence, because people that enjoy the benefits of EPA are not willing to contribute for its...
Tipo: Journal Article Palavras-chave: Public goods; São José EPA; “Free Rider" problem; Reservation price; Environmental Economics and Policy.
Ano: 2010 URL: http://purl.umn.edu/102085
Registros recuperados: 29
Primeira ... 12 ... Última
 

Empresa Brasileira de Pesquisa Agropecuária - Embrapa
Todos os direitos reservados, conforme Lei n° 9.610
Política de Privacidade
Área restrita

Embrapa
Parque Estação Biológica - PqEB s/n°
Brasília, DF - Brasil - CEP 70770-901
Fone: (61) 3448-4433 - Fax: (61) 3448-4890 / 3448-4891 SAC: https://www.embrapa.br/fale-conosco

Valid HTML 4.01 Transitional