Duration and characteristics of metal price cycles

Mark C. Roberts

Resources Policy, 2009, vol. 34, issue 3, 87-102

Abstract: This paper addresses the fluctuations in real metal prices: are they simply random variations or do they display some degree of cyclicality? This study identifies peaks and troughs in the inflation adjusted prices for 14 metals, using monthly average data from January 1947 through December 2007. Duration dependence testing, which is performed on the expansions, contractions, and full cycles, finds many cases in which the duration of these phases are not purely random and have some degree of cyclicality. Additional characterization show that contractions generally persist longer than expansions (in contrast to macroeconomic cycles) that long-term real prices have been trendless, and that the amplitude of price changes over the phases has little regularity. For those performing this type of analysis, the appendices explain the procedures for dating turning points and assessing duration dependence.

Keywords: Metal; prices; Cyclicality; of; prices; Duration; of; metal; price; cycles; Commodity; price; cycles (search for similar items in EconPapers)
Date: 2009
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Citations: View citations in EconPapers (52)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:jrpoli:v:34:y:2009:i:3:p:87-102

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