Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/109099
Authors: 
Lazarczyk, Ewa
Year of Publication: 
2015
Series/Report no.: 
IFN Working Paper 1064
Abstract: 
This paper is an empirical investigation of how traders react to public news in a market where there are lots of non-scheduled announcements, often arriving simultaneously. Using detailed trade information from the Nordic intra-day electricity market and GARCH models, this paper examines market participants' reaction to news about sudden production and transmission failures on the electricity grid. I divide the time of news announcement into three phases: the preannouncement period - the interval up to one hour before the hour of the public announcement of a message, the contemporaneous period - the same hour as the announcement of a message, and the post-announcement period - one hour after the hour of the announcement of a message. I find effect of news on prices in the preannouncement period, indicating that private information exists and is being used for trading on the intra-day market.
Subjects: 
Private information
Public information
Non-scheduled announcements
Intra-day electricity market
Nord Pool
UMMs
JEL: 
G14
L94
Document Type: 
Working Paper

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