Estimating Risk of Natural Gas Portfolios by Using GARCH-EVT-Copula Model
This paper concentrates on estimating the risk of Title Transfer Facility (TTF) Hub natural gas portfolios by using the GARCH-EVT-copula model. We first use the univariate ARMA-GARCH model to model each natural gas return series. Second, the extreme value distribution (EVT) is fitted to the tails of...
Main Authors: | Jiechen Tang, Chao Zhou, Xinyu Yuan, Songsak Sriboonchitta |
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Format: | Article |
Language: | English |
Published: |
Hindawi Limited
2015-01-01
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Series: | The Scientific World Journal |
Online Access: | http://dx.doi.org/10.1155/2015/125958 |
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