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Erscheinungsjahr: 
2012
Schriftenreihe/Nr.: 
IES Working Paper No. 15/2012
Verlag: 
Charles University in Prague, Institute of Economic Studies (IES), Prague
Zusammenfassung: 
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. 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 biofuels systems.
Schlagwörter: 
biofuels
networks
minimal spanning tree
hierarchical tree
JEL: 
C38
Q16
Q42
Dokumentart: 
Working Paper

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