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Publicado en: Artículo en revista académica

Maximal Gaussian Affine Models for Multiple Commodities: A Note

Jaime Casassus; Peng (Peter) Liu; Ke Tang.

Journal of Futures Markets, Volumen 35 Issue 1, Pages 75-86, January 2015

This paper extends the maximal affine models of single assets to a multi-commodity setup. We show that the correlated version of maximal affine models for a single commodity is no longer maximal for multiple commodities. In the maximal model, the convenience yield of a certain commodity could depend on the prices of other commodities, which is consistent with the structural model in our companion paper Casassus, Liu, and Tang (2013). This cross-commodity relationship is a feedback effect that may generate substantial co-movement among long-run commodity prices, a fact that is consistent with many empirical studies.

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