Investor demand and spot commodity prices
AbstractThe on-going debate over the influence of investor demand on spot commodity prices largely attempts to assess this influence by measuring the growth in investor demand in recent years. Given the serious data problems that plague such analyses, this article pursues another approach in the hope of providing useful insights into the impact of investor demand on spot commodity prices. It focuses on the mechanisms by which investor demand affects spot prices, and in particular on two questions. First, how does an increase in investor demand on the futures markets affect the spot market and spot price? Second, when investor demand is increasing and pushing a commodity's price up, do physical stocks of the commodity also have to be rising, as economists and others widely assume? On the first question, the article concludes that a surge in investor demand raising prices on the futures markets will have a direct and comparable effect on the spot market prices when these markets are in strong contango. However, when markets are in weak contango or backwardation, price movements in the futures markets have a much looser effect on spot prices. As a result, changes in investor demand on the futures markets may have little or no influence on spot prices in the absence of a strong contango. Instead, changes in fundamentals (that is, producer supply and consumer demand) and possibly changes in investor demand taking place directly on the spot market largely determine the spot price at such times. On the second question, the article shows that investor demand can be pushing up a commodity's price even when investor stocks are falling, despite the widespread presumption to the contrary.
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Bibliographic InfoArticle provided by Elsevier in its journal Resources Policy.
Volume (Year): 36 (2011)
Issue (Month): 3 (September)
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Web page: http://www.elsevier.com/locate/inca/30467
Commodity prices Investor demand and stocks Speculation Strong and weak contango Spot and futures markets Copper;
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- Radetzki, Marian, 2013. "The relentless progress of commodity exchanges in the establishment of primary commodity prices," Resources Policy, Elsevier, vol. 38(3), pages 266-277.
- Tilton, John E. & Humphreys, David & Radetzki, Marian, 2012.
"Investor demand and spot commodity prices: Reply,"
Elsevier, vol. 37(3), pages 397-399.
- Tilton, John E. & Humphreys, David & Radetzki, Marian, 2012. "Investor demand and spot commodity prices: Reply 2," Resources Policy, Elsevier, vol. 37(3), pages 403-404.
- Stepanek, Christian & Walter, Matthias & Rathgeber, Andreas, 2013. "Is the convenience yield a good indicator of a commodity's supply risk?," Resources Policy, Elsevier, vol. 38(3), pages 395-405.
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