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	Provedor de dados AgEcon (40) ArchiMer (2) Autor Koo, Won W. (5) Ferto, Imre (4) Cho, Guedae (3) Fogarasi, Jozsef (3) Jin, Hyun Joung (3) Rosson, C. Parr, III (3) Susanto, Dwi (3) Almeida, Fernanda Maria de (2) Bojnec, Stefan (2) Cranfield, John A.L. (2) Fleming, Euan M. (2) Gopinath, Munisamy (2) Haq, Zahoor Ul (2) Kavallari, Aikaterini (2) Kim, Mina (2) Maas, Sarah (2) Meilke, Karl D. (2) Mueller, Rolf A.E. (2) Olper, Alessandro (2) Raimondi, Valentina (2) Mais... Palavra-chave Gravity model (42) International Relations/Trade (32) Agricultural and Food Policy (9) Q17 (9) International trade (8) Agricultural trade (6) F13 (4) F14 (4) Food Consumption/Nutrition/Food Safety (4) Agribusiness (3) Demand and Price Analysis (3) Exchange rate volatility (3) Export (3) International Development (3) Olive oil (3) Q18 (3) Research Methods/ Statistical Methods (3) Risk and Uncertainty (3) Agrifood Trade (2) And panel data. (2) Mais... Tipo do documento Conference Paper or Presentation (15) Working or Discussion Paper (12) Journal Article (7) Presentation (5) Text (2) Working Paper (1) Mais... Ano 2012 (7) 2011 (8) 2010 (3) 2009 (9) 2008 (5) 2007 (2) 2004 (3) 2003 (1) 2002 (4) Mais... País United States (40) France (2) Idioma Inglês (38) Português (3) Espanhol (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 42 Primeira ... 1 2 3 ... Última Managing fleet capacity effectively under second-hand market redistribution ArchiMer Quillerou, Emmanuelle; Roudaut, Nolwenn; Guyader, Olivier. Fishing capacity management policies have been traditionally implemented at national level with national targets for capacity reduction. More recently, capacity management policies have increasingly targeted specific fisheries. French fisheries spatially vary along the French coastline and are associated to specific regions. Capacity management policies however ignore the capital mobility associated with second-hand vessel trade between regions. This is not an issue for national policies but could limit the effectiveness of regional capacity management policies. A gravity model and a random-effect Poisson regression model are used to analyse the determinants and spatial extent of the second-hand market in France. This study is based on panel data from the... Tipo: Text Palavras-chave: Gravity model; Fishing vessels; Second-hand markets; Poisson; French Atlantic. Ano: 2012 URL: http://archimer.ifremer.fr/doc/00102/21288/19569.pdf Oligocene-Miocene spreading history of the northern South Fiji Basin and implications for the evolution of the New Zealand plate boundary ArchiMer Herzer, R. H.; Barker, D. H. N.; Roest, Walter; Mortimer, N.. A tectonic model of the evolution of the northern half of the South Fiji Basin, including the Minerva Triple Junction and Cook Fracture Zone, is developed from regional gravity, multibeam bathymetry, and a new interpretation of magnetic anomalies pinned to radiometric dates of oceanic crust in the basin. The geometry and age of a portion of the Minerva Triple Junction and the Cook-Minerva spreading center (the connection from the triple junction to the Cook Fracture Zone, which accommodated coeval opening of the Norfolk Basin), are resolved with multibeam bathymetry and magnetics. The South Fiji Basin opened from about 34 to 15 Ma in an anticlockwise sweep about an Euler pole located at the northern end of the present Lau Ridge. This rotation and a rigidly... Tipo: Text Palavras-chave: South Fiji Basin; Back-arc basin evolution; Multibeam bathymetry; Magnetic anomalies; Gravity model; New Zealand plate boundary. Ano: 2011 URL: http://archimer.ifremer.fr/doc/00030/14112/11362.pdf Empirical Analysis on the Impacts on Chinese Agro-products Export Caused by Technical Barrier to Trade on Chinese Agro-products Export AgEcon Zhao, Qi. In view of the impacts on Chinese agro-products export caused by various technical barriers to trade, the academic circles analyzed it from the costs and quantity of exported agro-products. On the basis of the status quo of Chinese agro-products, the gravity model is introduced to analyze the impacts on Chinese agro-product export caused by technical barriers to trade. The results show that as long as the quality of Chinese agro-products can achieve the standard set by developed countries, for one thing, the health of Chinese consumers can be ensured, for another thing, the export of Chinese agro-products will be more smooth, which can provide reference for our government making decisions and solving trade dispute. Tipo: Journal Article Palavras-chave: Technical barrier to trade; Gravity model; Agro-products; Export; China; Agribusiness. Ano: 2011 URL: http://purl.umn.edu/113433 A gravity model approach to forecasting tuberculosis transmission in cattle AgEcon Xie, Fang; Horan, Richard D.; Wolf, Christopher A.. Bovine tuberculosis (bTB) in cattle has caused significant economic losses to livestock producers and has proven difficult to eradicate. It is suspected that cattle movement across different farms and regions is one of the key factors of bTB transmission in the United States. Prior attempts to model the epidemiology of bTB infection within cattle to predict disease transmission have not adequately captured the behavioral aspects of trade. A better understanding of livestock trade patterns would help in predicting disease transmission and the associated economic effects. In this paper, we develop a gravity model of livestock trade and link it to an epidemiological model of bTB transmission, with the goal being that this information could lead to improved... Tipo: Conference Paper or Presentation Palavras-chave: Bovine tuberculosis; Gravity model; Disease management; Resource /Energy Economics and Policy. Ano: 2009 URL: http://purl.umn.edu/49382 THE GATT/WTO HAS PROMOTED TRADE, BUT ONLY IN CAPITAL-INTENSIVE COMMODITIES! AgEcon Engelbrecht, Hans-Jurgen; Pearce, Christopher. This paper contributes to the recent empirical debate about the effectiveness of the GATT and the WTO in promoting trade. We use gravity models to explore the impact of the GATT/WTO on bilateral trade in a sample of 46 countries over the period 1965-1997. Our data enable us to disaggregate trade by broad commodity aggregates. The results for total trade are similar to those reported by Rose (2004). However, the disaggregated estimates reveal that the GATT/WTO has had a positive and statistically significant impact on trade in capital-intensive commodities, but that it has had no statistically significant impact on trade in other commodities. The paper demonstrates that simple modifications of Rose's approach lead to results that are much more 'common... Tipo: Working or Discussion Paper Palavras-chave: GATT/WTO; Gravity model; Bilateral trade; Commodity aggregates; Capital-intensive commodities.; International Relations/Trade; F10; F15. Ano: 2004 URL: http://purl.umn.edu/23707 Explaining German imports of olive oil: evidence from a gravity model AgEcon Kavallari, Aikaterini; Maas, Sarah; Schmitz, P. Michael. In this study the case of olive oil imports of Germany is examined since olive oil is a traditional Mediterranean commodity and Germany is the biggest importer in the EU. A gravity model has been employed so as to analyse those factors that explain the German imports of olive oil that were identified in a preceding analysis of the German olive oil supply chain. The results of two random-effects models corrected for serial correlation and heteroskedasticity suggest that being a Mediterranean Partner country of the EU has the highest impact on trade flows to Germany, thus supporting further Euromediterranean trade integration. The level of trade to Germany is positively related to existence of direct marketing channels and to tourism implying that these... Tipo: Conference Paper or Presentation Palavras-chave: Gravity model; Olive oil; Germany; International Relations/Trade. Ano: 2008 URL: http://purl.umn.edu/44217 The Gravity Model and the Problem of Zero`s in Agrifood Trade AgEcon Haq, Zahoor Ul; Meilke, Karl D.; Cranfield, John A.L.. and this is a problem when estimating log-linear gravity equations. This has caused many researchers to either ignore the zero trade flows or to replace the zero with a small positive number. Both of these actions bias the resulting parameter estimates of the gravity equation. In this study we correct for this misspecification by using the Heckman selection model to estimate bilateral trade flows for 46 agrifood products, for the period 1990 to 2000, for 52 countries. In our sample, selection bias rarely affects the signs of variables but often has a substantial effect on the magnitude, statistical significance and economic interpretation of the marginal effects. Hence, treating zero trade flows properly is important from both a statistical and an... Tipo: Working or Discussion Paper Palavras-chave: Gravity model; Selection bias; Agrifood Trade; Heckman Selection Model; Marginal effects; Agricultural and Food Policy; Demand and Price Analysis; International Relations/Trade; Research Methods/ Statistical Methods. Ano: 2011 URL: http://purl.umn.edu/116851 Greek Olive Oil: How Can Its International Market Potential Be Realized? AgEcon Vlontzos, George N.; Duquenne, Marie-Noelle. Trade issues affecting virgin olive oil originating in Greece are examined. A gravity model is estimated to determine the factors affecting trade in olive oil. The results provided by the gravity model yield information that is central to determining the strengths and weaknesses of the sector, as well as the opportunities and threats that exist. Finally, some proposals and suggestions are developed for increasing the international competitiveness of the Greek olive oil industry and endowing it with essential quality and safety assurances. Tipo: Journal Article Palavras-chave: Competitiveness; Gravity model; Olive oil; Quality; Trade flows; Agricultural and Food Policy; International Development; International Relations/Trade. Ano: 2008 URL: http://purl.umn.edu/42310 Effects of Food Safety Standards on Seafood Exports to US, EU and Japan AgEcon Nguyen, Anh Van Thi; Wilson, Norbert L.W.. Estimating the panel gravity model with bilateral pair and country-by-time fixed-effects separately for each seafood product, we found that food safety regulations have differential effects across seafood products. In all three industrialized markets, shrimp is most sensitive, while fish is the least sensitive to changing food safety policies. The enforcement of the US HACCP, the EU Minimum Required Performance Level and the Japanese Food Safety Basic Law caused a loss of 90.45%, 99.47%, and 99.97% to shrimp trade in these markets, and a reduction associated with fish trade was 66.71%, 82.83%, and 89.32%. Tipo: Conference Paper or Presentation Palavras-chave: Food safety; Seafood; International trade; Gravity model; HACCP; Agricultural and Food Policy; Food Consumption/Nutrition/Food Safety; International Relations/Trade; C33; F13; Q17; Q18. Ano: 2009 URL: http://purl.umn.edu/46758 PREFERENTIAL TRADE ARRANGEMENTS: IMPACTS ON AGRICULTURAL TRADE AND INCOME AgEcon Skripnitchenko, Anatoliy; Beladi, Hamid; Koo, Won W.. In this article, we focus on the effects of preferential trade arrangements on agricultural trade and agricultural income. Given the large number of preferential trade arrangements and complex interactions among them, we attempt to discover whether preferential trade arrangements are beneficial to agricultural trade and income, and are an effective tool to liberalize agricultural trade. The findings suggest that preferential trade arrangements with some exceptions tend to expand agricultural trade and improve agricultural income. Tipo: Working or Discussion Paper Palavras-chave: Agricultural trade; Agricultural income; Gravity model; Preferential trade agreement; International Relations/Trade. Ano: 2004 URL: http://purl.umn.edu/23555 COMÉRCIO INTERESTADUAL E INFRA-ESTRUTURA NO BRASIL: UMA ANÁLISE DO RELACIONAMENTO NO BRASIL AgEcon Silva, Orlando Monteiro da; Almeida, Fernanda Maria de. Uma melhoria da infra-estrutura e da logística, ao integrar a produção e os negócios entre as diferentes regiões ou países, reduz os custos do comércio e promove a riqueza. No entanto, as análises sobre o relacionamento da infra-estrutura com o comércio internacional tem tido muito mais atenção do que em nível regional ou interestadual. Assim, o objetivo desse estudo foi levantar e quantificar o relacionamento existente entre a disponibilidade dos serviços de infra-estrutura e o volume de comércio entre os estados brasileiros. Criou-se um indicador da infra-estrutura existente nos diferentes estados, que foi relacionado ao fluxo comercial entre eles. O estado de São Paulo apresentou os maiores valores, aparecendo com indicadores máximos, em seis das onze... Tipo: Conference Paper or Presentation Palavras-chave: Comércio interestadual; Infra-estrutura; Modelo de gravidade; Interstate trade; Infrastructure; Gravity model; International Relations/Trade. Ano: 2008 URL: http://purl.umn.edu/109120 Informal barriers and agricultural trade: Does the integration matter? AgEcon Huchet-Bourdon, Marilyne; Cheptea, Angela. EU enlargement revives the debate around the participation to the EMU. We use a gravity model to see whether informal barriers have changed over a ten-year period covering the creation of the EMU, and whether their impact on European member countries’ agricultural and food trade has been modified. We find that it has led to lower information costs. We observe a diminishing marginal trade impact of both information and institutional barriers: the lower the level of these barriers, the lower the magnitude of their impact on trade. But this finding can not be directly attributed to the introduction to the Euro. Tipo: Working or Discussion Paper Palavras-chave: Agricultural trade; Informal barriers; Monetary union; Gravity model; Agricultural and Food Policy; F15; F33; Q17. Ano: 2009 URL: http://purl.umn.edu/115427 Impact of information and communication technology (ICT) on international trade in fruit and vegetables: A gravity model approach AgEcon Thiemann, Franziska; Fleming, Euan M.; Mueller, Rolf A.E.. Globalization results when markets become more integrated because of reduced transaction and transport costs. These costs have fallen because of sustained advances in transport technology and, more dramatically, in digital information and communication technology (ICT). Although communication costs tend to be a minor component of total trading costs, reductions in these costs may strongly stimulate international trade. The empirical evidence in support of this effect is, however, scant and its strength may depend on the composition of ICT and the nature of the product being traded. We test the hypothesis of an ICT effect on trade in bananas, oranges, tomatoes, and vegetables and fruit in general. We employ a gravity model of international trade between... Tipo: Presentation Palavras-chave: Gravity model; Information and communication technology (ICT); International trade; Fruit and vegetables; International Relations/Trade. Ano: 2012 URL: http://purl.umn.edu/123839 Trade Costs in U.S. Food Manufacturing Industries AgEcon Wu, Qian; Gopinath, Munisamy. This study allows for variation of trade costs among regions, since a single trade costs measure may not appreciate the large number and diverse regions of the United States through which trade in food manufacturing occurs. Tipo: Conference Paper or Presentation Palavras-chave: Trade costs; Gravity model; Regional development; Food manufacturing industries; Agricultural and Food Policy; Consumer/Household Economics; Industrial Organization; International Development; International Relations/Trade; Production Economics. Ano: 2011 URL: http://purl.umn.edu/103526 Produtos agropecuários: para quem exportar? AgEcon Mata, Daniel da; Freitas, Rogerio Edivaldo. The paper discussed the main factors that explain the Brazilian agricultural exports. In order to achieve this goal, the paper applied a gravity model that includes fixed and random effects estimations, besides the Ordinary Least Squares (OLS) approach. Distance, trade partners´ GDP, and geographical localization were the significant variables. Moreover, puzzle effects are associated to exchange rate, partners´ agricultural exports profile and the partners´ agricultural share in GDP. Finally, this study highlights the potential change of the relevant variables because of specific characteristics of each commercial Brazilian partner. Tipo: Journal Article Palavras-chave: Exports; Gravity model; Agricultural sector.; Agribusiness; Q17; F13. Ano: 2008 URL: http://purl.umn.edu/61240 On Trade Impact of Exchange Rate Volatility and Institutional Quality: The Case of Central European Countries AgEcon Ferto, Imre; Fogarasi, Jozsef. This paper explores the effect of exchange rate volatility and of the institutional quality on international trade flows of transition economies in Central European Countries by applying a gravity model of balance panel between 1999 and 2008. The results show that nominal exchange rate volatility has had a significant negative effect on trade by applying Psuedo-Maximum-Likelihood (PML) estimator method over this period. The institutional quality need to be improved in case of size of government and the quality of regulation. The negative effect of exchange rate volatility on agricultural exports suggests that joining Central European Countries to the euro zone can reduce the negative effects of exchange rate volatility on trade. Tipo: Presentation Palavras-chave: International trade; Gravity model; Exchange rate volatility; Institutions.; International Relations/Trade; Risk and Uncertainty; G10; F11; O17; Q17; P29. Ano: 2012 URL: http://purl.umn.edu/122510 Evolution of olive oil import demand structures in nonproducing countries: the cases of Germany and the UK AgEcon Kavallari, Aikaterini; Maas, Sarah; Schmitz, P. Michael. Consumption patterns of olive oil have changed over recent years influencing the supply chain. The consumption has increased in countries where olive oil is not part of the traditional diet as for example Germany and the UK, where the average consumption grew by 11 and 13% respectively during the period 1995-2003. The opening of new non-traditional markets has shifted exports and re-structured the supply chain. Mediterranean countries have been the traditional suppliers of olive oil with the EU Mediterranean Member States being the main exporters and with the non-EU Mediterranean countries trying to gain market shares in the EU markets in an attempt to benefit from the preferential access due to the Barcelona Agreement. This paper tries to identify which... Tipo: Conference Paper or Presentation Palavras-chave: Olive oil; Gravity model; Import demand; Germany; UK; Agricultural and Food Policy; Food Consumption/Nutrition/Food Safety. Ano: 2009 URL: http://purl.umn.edu/58073 Communication Costs and Agro-Food Trade in OECD Countries AgEcon Bojnec, Stefan; Ferto, Imre. The paper analyses the effects of communication costs for agro-food trade in OECD countries between 1995 and 2003 using gravity model. We find that the link between the communication costs and agro-food trade flows in developed countries is significantly stronger for agricultural than for food products. The improved communication services reduce trade transaction costs. The estimations also confirmed importance of the economy size, level of development in importer countries, and trade distance. The other traditional gravity variables like contiguity, language and regional free trade agreements have significant impacts in the majority of specifications Tipo: Conference Paper or Presentation Palavras-chave: Communication costs; Agro-food trade; Gravity model; International Relations/Trade; F14; F23; Q17. Ano: 2009 URL: http://purl.umn.edu/50937 Assessment of the Impact of Avian Influenza Related Regulatory Policies on Poultry Meat Trade and Welfare AgEcon Wieck, Christine; Schlueter, Simon W.; Britz, Wolfgang. We use two methodological approaches to analyze avian influenza related quarantine measures. First, a Heckman type gravity model is used to estimate the trade impact and second, a spatial partial equilibrium simulation model is developed to simulate welfare changes. The simulation model considers spread and transmission risk according to the disease status of the importing country as well as parameter uncertainty of the calibrated coefficients by using a Monte Carlo approach. The econometric results show that the principle of regionalization is preferred to import trade bans for uncooked meat. The simulation results verify the negative welfare impact of currently implemented regulatory policies and indicate that significant trade diversion effects... Tipo: Working Paper Palavras-chave: Animal disease; Quarantine measure; Non-tariff measure; Welfare; Gravity model; Simulation model; Agricultural and Food Policy; Demand and Price Analysis; F14; F17; Q11; Q17; Q18. Ano: 2012 URL: http://purl.umn.edu/122022 Effects of Regional Trade Agreements on Trade in Agrifood Products: Evidence from Gravity Modeling Using Disaggregated Data AgEcon Sarker, Rakhal; Jayasinghe, Sampath. The recent proliferation of regional trade agreements (RTAs) has intensified the debate on their merits. A growing literature has addressed this policy debate, focusing on the welfare and trade effects of RTAs and their likely impacts on the multilateral trading system. Some view them as stepping-stones toward multilateral trade liberalization while others see them as stumbling blocks against free trade. The existing literature has neglected some important aspects of RTAs dealing with trade in agrifood products. This study analyzes trade creation and diversion effects of the North American Free Trade Agreement (NAFTA) on trade of six selected agrifood products from 1985 to 2000. The investigation estimates an extended gravity model using pooled... Tipo: Working or Discussion Paper Palavras-chave: Agrifood products; Gravity model; NAFTA; North American Free Trade Agreement; Regional trade agreements; Trade creation; Trade diversion; International Relations/Trade. Ano: 2004 URL: http://purl.umn.edu/18605 Registros recuperados: 42 Primeira ... 1 2 3 ... 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