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Revista del CEI - Centro de Economía Internacional

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Artículos<br />

HistoricalCompressed/in<strong>de</strong>x.htm (8 <strong>de</strong> enero <strong>de</strong> 2011).<br />

USDA (United States Department of Agriculture) (2011). “PSD (Production, supply and distribution online)”.<br />

http://www.fas.usda.gov/psdonline/psdQuery.aspx (6 <strong>de</strong> enero <strong>de</strong> 2011).<br />

Williams, Jeffrey C. y Brian Wright (1991). Storage and commodity markets. Nueva York: Cambridge University<br />

Press.<br />

Zellner, Arnold (1962). “An efficient method of estimating seemingly unrelated regression equations and tests<br />

for aggregation bias”. Journal of the American Statistical Association, 57: 348-368.<br />

<strong>Revista</strong> <strong><strong>de</strong>l</strong> <strong>CEI</strong><br />

Comercio Exterior e Integración<br />

51

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