Trends in international commodity prices: Panel unit root analysis

Saban Nazlioglu

The North American Journal of Economics and Finance, 2014, vol. 29, issue C, 441-451

Abstract: The purpose of this paper is to examine the behavior of international commodity prices within the context of the Prebisch–Singer hypothesis. To this end, I utilize a panel unit root approach which is able to account for multiple structural breaks and cross-section dependency. The unit root analysis for 24 international commodity prices during the period 1900–2003 shows evidence in favor of the trend stationary process in the commodity prices. The results thereby imply that shocks to commodity prices are temporary in nature and tend to be corrected over time. The estimation of the trend stationary models indicates that the Prebisch–Singer hypothesis is not a universal phenomenon.

Keywords: Commodity prices; Unit root; Cross-sectional dependency; Structural breaks; Panel data (search for similar items in EconPapers)
JEL-codes: C23 O13 O19 (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecofin:v:29:y:2014:i:c:p:441-451

DOI: 10.1016/j.najef.2014.06.010

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