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Agroalimentaria
versión impresa ISSN 1316-0354
Resumen
TRONCOSO, Cristian y LOBOS A, Germán. Márgenes de comercialización y concentración industrial en el mercado de frutas y hortalizas en Chile . Agroalim [online]. 2004, vol.9, n.18, pp.75-86. ISSN 1316-0354.
Fruit and cash crop markets in Chile have traditionally been a highly vulnerable sector within the Chilean agricultural sector. The present work has two objectives. First, the statistical properties of the price series for wholesale and detail prices, together with commercialization margins for the wholesale distributors in Santiago, Chile for the fruit and cash crop goods were analyzed. The election of the Santiago market responds to the relative importance of the market when compared to the rest of the country. Then, the degree of concentration of these markets is characterized by the Herfindahl-Hirschmann index (HHI) together with a measure of stability of such a concentration. The work uses a series of monthly data for the 1993-2002 period. From the price and margin analysis, a relatively lesser dynamic structure in the market takes off. The previous is reaffirmed by the HHI, which shows greater concentration in the cash crop market than in the fruits, where both levels of concentration are relatively stable in time. Moreover, considering formally the nonstacionarity of the HHL, the relation between this and the instability of the index is negative. This indicates little competitive dynamics in this industry.
Palabras clave : time series; stacionarity; Herfindahl-Hirschman Index; commercialization margins.