Kristoufek, Ladislav; Janda, Karel; Zilberman, David - 2012
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 … system splits into two well separated branches -- a fuels part and a food part. Biodiesel tends to the fuels branch and …