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Title:Spatial risk premium on weather derivatives and hedging weather exposure in electricity PDF Logo
Authors:Härdle, Wolfgang Karl
Osipenko, Maria
Issue Date:2011
Series/Report no.:SFB 649 discussion paper 2011-013
Abstract:Due to dependency of energy demand on temperature, weather derivatives enable the effective hedging of temperature related fluctuations. However, temperature varies in space and time and therefore the contingent weather derivatives also vary. The spatial derivative price distribution involves a risk premium. We examine functional principal components of temperature variation for this spatial risk premium. We employ a pricing model for temperature derivatives based on dynamics modelled via a vectorial Ornstein-Uhlenbeck process with seasonal variation. We use an analytical expression for the risk premia depending on variation curves of temperature in the measurement period. The dependence is exploited by a functional principal component analysis of the curves. We compute risk premia on cumulative average temperature futures for locations traded on CME and fit to it a geographically weighted regression on functional principal component scores. It allows us to predict risk premia for nontraded locations and to adopt, on this basis, a hedging strategy, which we illustrate in the example of Leipzig.
Subjects:risk premium
weather derivatives
Ornstein-Uhlenbeck process
functional principal components
geographically weighted regression
JEL:C01
C31
Document Type:Working Paper
Appears in Collections:SFB 649 Discussion Papers, HU Berlin

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