Does the Masters Hypothesis Explain Recent Food Price Spikes?

Scott Irwin

No 126944, Working Papers from Structure and Performance of Agriculture and Agri-products Industry (SPAA)

Abstract: The Masters Hypothesis is the claim that unprecedented buying pressure in recent years from commodity index investors created massive bubbles in food and energy prices. A number of recent studies investigate the empirical relationship between index investment and price movements in agricultural futures markets. One line of research uses time-series regression tests, such as Granger causality tests, to investigate the relationship between price movements and index positions. This research provides very little evidence supporting the Masters Hypothesis in agricultural futures markets. A second line of research uses cross-sectional regression tests and studies in this area also provide very limited evidence in favor of the Masters Hypothesis for agricultural futures markets. A third line of research investigates whether there is a significant relationship between commodity index trading and the difference, or spread, between futures prices of different contract maturities. These studies provide a range of results depending on the type of test. However, the bulk of the evidence indicates either no relationship or a negative relationship, which is once again inconsistent with the Masters Hypothesis. Overall, this growing body of literature fails to find compelling evidence that buying pressure from commodity index investment in recent years caused a massive bubble in agricultural futures prices. The Masters Hypothesis is simply not a valid characterization of reality.

Keywords: Agricultural and Food Policy; Demand and Price Analysis; Risk and Uncertainty (search for similar items in EconPapers)
Pages: 37
Date: 2012-06
New Economics Papers: this item is included in nep-agr
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Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:ags:spaawp:126944

DOI: 10.22004/ag.econ.126944

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