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Correlations between biofuels and related commodities before and during the food crisis: A taxonomy perspective

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  • Kristoufek, Ladislav
  • Janda, Karel
  • Zilberman, David

Abstract

In this paper, we analyze the relationships between the prices of biodiesel, ethanol and related fuels and agricultural commodities with a use of minimal spanning trees and hierarchical trees. To distinguish between short-term and medium-term effects, we construct these trees for different frequencies (weekly and monthly). We find that in short-term, both ethanol and biodiesel are very weakly connected with the other commodities. In medium-term, the biofuels network becomes more structured. The system splits into two well separated branches — a fuels part and a food part. Biodiesel tends to the fuels branch and ethanol to the food branch. When the periods before and after the food crisis of 2007/2008 are compared, the connections are much stronger for the post-crisis period. This is the first application of this methodology on the biofuel systems.

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Bibliographic Info

Article provided by Elsevier in its journal Energy Economics.

Volume (Year): 34 (2012)
Issue (Month): 5 ()
Pages: 1380-1391

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Handle: RePEc:eee:eneeco:v:34:y:2012:i:5:p:1380-1391

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Web page: http://www.elsevier.com/locate/eneco

Related research

Keywords: Biofuels; Networks; Minimal spanning tree; Hierarchical tree;

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References

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Citations

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Cited by:
  1. Lukas Vacha & Karel Janda & Ladislav Kristoufek & David Zilbermand, 2013. "Time-Frequency Dynamics of Biofuels-Fuels-Food System," CAMA Working Papers 2013-27, Centre for Applied Macroeconomic Analysis, Crawford School of Public Policy, The Australian National University.
  2. Bastianin, Andrea & Galeotti, Marzio & Manera, Matteo, 2014. "Causality and predictability in distribution: The ethanol–food price relation revisited," Energy Economics, Elsevier, vol. 42(C), pages 152-160.
  3. Rajcaniova, Miroslava & Drabik, Dusan & Ciaian, Pavel, 2013. "How policies affect international biofuel price linkages," Energy Policy, Elsevier, vol. 59(C), pages 857-865.
  4. Chrz, Stepan & Hruby, Zdenek & Janda, Karel & Kristoufek, Ladislav, 2013. "Provazanost trhu potravin, biopaliv a fosilnich paliv
    [Interconnections within food, biofuel, and fossil fuel markets]
    ," MPRA Paper 43958, University Library of Munich, Germany.
  5. Pavel Ciaian & d'Artis Kancs & Miroslava Rajcaniova, 2012. "Bioenergy and Global Land Use Change," EERI Research Paper Series EERI_RP_2012_12, Economics and Econometrics Research Institute (EERI), Brussels.
  6. Ladislav Kristoufek & Karel Janda & David Zilberman, 2012. "Regime-Dependent Topological Properties of Biofuels Networks," CAMA Working Papers 2012-49, Centre for Applied Macroeconomic Analysis, Crawford School of Public Policy, The Australian National University.
  7. Ladislav Kristoufek & Karel Janda & David Zilberman, 2013. "Non-linear price transmission between biofuels, fuels and food commodities," Working Papers IES 2013/16, Charles University Prague, Faculty of Social Sciences, Institute of Economic Studies, revised Oct 2013.
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  9. Kantar, Ersin & Keskin, Mustafa, 2013. "The relationships between electricity consumption and GDP in Asian countries, using hierarchical structure methods," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 392(22), pages 5678-5684.
  10. Ladislav Kristoufek & Karel Janda & David Zilberman, 2012. "Mutual Responsiveness of Biofuels, Fuels and Food Prices," CAMA Working Papers 2012-38, Centre for Applied Macroeconomic Analysis, Crawford School of Public Policy, The Australian National University.
  11. Brenda López Cabrera, & Franziska Schulz,, 2013. "Volatility linkages between energy and agricultural commodity prices," SFB 649 Discussion Papers SFB649DP2013-042, Sonderforschungsbereich 649, Humboldt University, Berlin, Germany.
  12. Hao, Na & Colson, Gregory & Karali, Berna & Wetzstein, Michael E., 2013. "Food before Biodiesel Fuel?," 2013 Annual Meeting, February 2-5, 2013, Orlando, Florida 143078, Southern Agricultural Economics Association.

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