@article{Coakley2006,
	title = {Unobserved heterogeneity in panel time series models},
	author = {Jerry Coakley and Ana-Mar{\'i}a Fuertes and Ron Smith},
	day = {01},
	journal = {Computational Statistics \& Data Analysis},
	month = {May},
	number = {9},
	pages = {2361--2380},
	url = {http://www.sciencedirect.com/science/article/B6V8V-4FB91C1-1/1/4fe751e68042b2c6c540eefe8e0d5bf7},
	volume = {50},
	year = {2006},
	biburl = {http://www.bibsonomy.org/bibtex/2002593dabd3c7a29df359fac8d9ace8b/smicha},
	keywords = {Factor analysis }
}