Resumo

JARAMILLO-VILLANUEVA, José L.  e  BENITEZ-GARCIA, Erika. Price transmission in the mexican and international coffe (Coffea arabica L.) market: a cointegration analysis. Agrociencia [online]. 2016, vol.50, n.7, pp.931-944. ISSN 2521-9766.

Price transmission is analyzed as a part of the international and regional trade through the Law of One Price (LOP), which demonstrates the existence and the integration degree of geographically-separated markets. This is relevant because it allows to know the way and the speed in which the domestic prices adjust to changes in international prices and the degree of market’s efficiency. The aim of this study was to analyze the price transmission process in the international and Mexican coffee (Coffea arabica L.) markets, in order to identify economic efficiency opportunities in the productioncommercialization process. For this purpose, domestic and international coffee prices from the 1980-2014 period were used. A Vector Error-Correction (VEC) model was used as methodology approach, due to the presence of unit root in the prices series. The results indicate a structural changes in several dates, and therefore the series were divided in sub periods for its analysis. When international prices change 1 %, the domestic prices change 0.15 % and, from 1980 to 2014, the effect of the international price increased gradually; as a result of this, the domestic price increasingly depends on the international price.

Palavras-chave : Price transmission; cointegration; Coffea arabica L.; Vector Error-Correction Model..

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