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A roller coaster ride: an empirical investigation of the main drivers of the international wheat price

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  • Bernardina Algieri

Abstract

Over the last decade, commodity prices have registered substantial booms and busts marked by extreme volatility. Wheat in particular, one of the main nonoil commodities, has registered a roller coaster in price levels which seems to be inconsistent with supply and demand fundamentals. To acutely investigate the drivers of wheat prices and quantify their impact, a vector error correction model (VECM) has been used. The exogenous variables have been distinguished into four groups: market-specific factors, broad macroeconomic determinants, speculative components, and weather variables. The quadriangulation of the determinants will enable us to better understand the movements in wheat price and identify the specific role of each component. The results show that a mix of factors are contributing to wheat price movements, including speculation, global demand, and real effective exchange rate.

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  • Bernardina Algieri, 2014. "A roller coaster ride: an empirical investigation of the main drivers of the international wheat price," Agricultural Economics, International Association of Agricultural Economists, vol. 45(4), pages 459-475, July.
  • Handle: RePEc:bla:agecon:v:45:y:2014:i:4:p:459-475
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    1. Algieri, Bernardina & Leccadito, Arturo, 2017. "Assessing contagion risk from energy and non-energy commodity markets," Energy Economics, Elsevier, vol. 62(C), pages 312-322.
    2. Algieri, Bernardina & Kalkuhl, Matthias & Koch, Nicolas, 2017. "A tale of two tails: Explaining extreme events in financialized agricultural markets," Food Policy, Elsevier, vol. 69(C), pages 256-269.
    3. Ubilava, David, 2017. "The ENSO Effect and Asymmetries in Wheat Price Dynamics," World Development, Elsevier, vol. 96(C), pages 490-502.
    4. Bernardina Algieri & Matthias Kalkuhl, 2019. "Efficiency and Forecast Performance of Commodity Futures Markets," American Journal of Economics and Business Administration, Science Publications, vol. 11(1), pages 19-34, June.
    5. Sophie van Huellen, 2018. "How financial investment distorts food prices: evidence from U.S. grain markets," Agricultural Economics, International Association of Agricultural Economists, vol. 49(2), pages 171-181, March.
    6. Md Rafayet Alam & Scott Gilbert, 2017. "Monetary policy shocks and the dynamics of agricultural commodity prices: evidence from structural and factor†augmented VAR analyses," Agricultural Economics, International Association of Agricultural Economists, vol. 48(1), pages 15-27, January.
    7. Algieri, Bernardina & Leccadito, Arturo, 2017. "Wave after Wave: Contagion Risk from Commodity Markets," Discussion Papers 257801, University of Bonn, Center for Development Research (ZEF).

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