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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
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Biodiesel and vegetable oil market in European Union: some evidences from threshold cointegration analysis AgEcon
Peri, Massimo; Baldi, Lucia.
In this paper we analyse the long-run relationships between vegetable oils prices and conventional diesel price in EU during the period 2005- 2007. We utilise recent developments on threshold cointegration approach to investigate if asymmetric dynamic adjusting processes exist among rapeseed oil, sunflower oil, soybean oil and diesel prices. The results suggest that the two-regime threshold cointegration model exist only in favour of rapeseed oil-diesel price pair. Therefore, this vegetable oil price adjusts rapidly to its long run equilibrium, determined by fossil diesel prices, in an asymmetric manner when the divergence between the two prices is above a critical threshold. Consequently, rapeseed oil seems to be particularly exposed to exogenous shocks...
Tipo: Conference Paper or Presentation Palavras-chave: Vegetable oils market; Biodiesel price; Threshold cointegration.; Marketing; Resource /Energy Economics and Policy.
Ano: 2008 URL: http://purl.umn.edu/43971
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