@article{Normandin2004,
	title = {Monetary policy shocks:: Testing identification conditions under
	time-varying conditional volatility},
	author = {Michel Normandin and Louis Phaneuf},
	journal = {Journal of Monetary Economics},
	month = {Sep},
	number = {6},
	pages = {1217--1243},
	url = {http://www.sciencedirect.com/science/article/B6VBW-4D2MY3K-1/1/9831c4e88e17c29313677791dc5fd8ad},
	volume = {51},
	year = {2004},
	biburl = {http://www.bibsonomy.org/bibtex/219074ae7e4401cc3ad90f209ee47ebd9/smicha},
	keywords = {Conditional heteroscedasticity }
}