Monash University
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Identifying Risk Factors and Their Premia: A Study on Electricity Prices

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journal contribution
posted on 2022-11-10, 01:47 authored by Wei Wei, Asger Lunde
We propose a multi-factor model and an estimation method based on particle MCMC to identify risk factors in electricity prices. Our model identifies long-run prices, shortrun deviations, and spikes as three main risk factors in electricity spot prices. Under our model, different risk factors have distinct impacts on futures prices and can carry different risk premia. We generalize the Fama-French regressions to analyze properties of true risk premia. We show that model specification plays an important role in detecting time varying risk premia. Using spot and futures prices in the Germany/Austria market, we demonstrate that our proposed model surpasses alternative models that have less risk factors in forecasting spot prices and in detecting time varying risk premia.

History

Classification-JEL

C51, G13, Q4

Creation date

2020-03-17

Working Paper Series Number

10/20

Length

48

File-Format

application/pdf

Handle

RePEc:msh:ebswps:2020-10

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