Cross Hedging Under Multiplicative Basis Risk
Axel F. A. Adam-Muller
University of Trier, Fachbereich IV - BWL
Warwick Business School - Finance Group - Financial Econometrics Research Centre
February 3, 2011
Cross hedging price risk in an incomplete financial market creates basis risk. We propose a new way of modeling basis risk where price risk and basis risk are combined in a multiplicative way. Under this specification, positive prudence is a necessary and sufficient condition for underhedging in an unbiased market. Using the example of cross hedging jet fuel price risk with crude oil futures, we show that the new specification is superior in describing the price series and that optimal cross hedges differ significantly from those derived under the traditional additive cross hedging model.
Number of Pages in PDF File: 31
Keywords: risk management, cross hedging, basis risk, prudence, jet fuel, crude oil futures, vector error correction model
JEL Classification: D81, G11, G32working papers series
Date posted: March 31, 2011
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