In this paper we model the adjustment process of European Union Allowance (EUA) prices to the releases of announcements at high-frequency controlling for intraday periodicity, volatility clustering and volatility persistence. We find that the high-frequency EUA price dynamics are very well captured by a fractionally integrated asymmetric power GARCH process. The decisions of the European Commission on second National Allocation Plans have a strong and immediate impact on EUA prices. On the other hand, our results suggest that EUA prices are only weakly connected to indicators about the future economic development as well as the current economic activity.
|Item Type:||Working paper|
|Date Deposited:||30. Mar 2010 15:56|
|Faculties / Institutes:||The Faculty of Economics and Social Studies > Alfred-Weber-Institut for Economics|
|Uncontrolled Keywords:||EU ETS , EUA , Second NAPs , Announcement Effects , Price Formation|
|Schriftenreihe ID:||Discussion Paper Series / University of Heidelberg, Department of Economics|