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Asymmetric Price Transmission and Non-linear Adjustment in the Iranian Mutton Market AgEcon
Falsafian, Azadeh; Yazdani, Saeed; Moghaddasi, Reza.
This paper analyses the asymmetric price transmission and non-linear adjustment at the farm and retail levels in the Iran’s mutton market. We applied a multivariate threshold error correction mechanism for monthly price data. We tested the non-linear adjustment using sup-LR, sup-LM and sup-Wald tests. The results confirm the presence of non-linear cointegration relationship between the retail and farm prices. In short-run, the price transmission behavior reveals that reactions of both the retail and farm prices to positive and negative deviations from the long-run price spread are asymmetric. More specially, the retailers show more strong responses to the both positive and negative shocks imposed to the farmers.
Tipo: Conference Paper or Presentation Palavras-chave: Threshold Cointegration; Non-linearity; Mutton; Price; Iran; Livestock Production/Industries.
Ano: 2011 URL: http://purl.umn.edu/114363
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Spatial Integration and Asymmetric Price Transmission in Selected Iranian Chicken Markets AgEcon
Falsafian, Azadeh; Moghaddasi, Reza.
This study evaluates pattern of price adjustments in selected spatially separated chicken markets in Iran using weekly price data from 1998:17 to 2006:41 including 441 observations in total. The results of Tsay’s test suggest that threshold behavior characterize spatial price linkages among the selected markets that imply on using the threshold models. We use the multi-dimensional (two and three regime) threshold cointegration of TAR and M-TAR models. Our results confirm the different speed of adjustment in response to positive and negative shocks in every case. We also utilize impulse response function to investigate dynamic patterns of adjustments in response to shocks.
Tipo: Conference Paper or Presentation Palavras-chave: Spatial Integration; Price Transmission; Threshold Autoregression; Chicken; International Relations/Trade; Marketing.
Ano: 2008 URL: http://purl.umn.edu/44163
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