KDI 한국개발연구원 - 경제정책정보 - 국외연구자료 - 최신자료 - Common Factors of Commodity Prices



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Common Factors of Commodity Prices

CEPR 2018.03.13
In this paper we extract latent factors from a large cross-section of commodity prices, including fuel and non-fuel commodities. We decompose each commodity price series into a global (or common) component, block-specific components, and a purely idiosyncratic shock. We find that the bulk of the uctuations in commodity prices is well summarized by a single global factor. This global factor is closely related to fluctuations in global economic activity and its importance in explaining variations in commodity prices has increased since the beginning of the 2000s, especially for oil.

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