@article{Herguera2002,
	title = {Tariffs, quality reversals and exit in vertically differentiated
	industries},
	author = {I{\~n}igo Herguera and Praveen Kujal and Emmanuel Petrakis},
	journal = {Journal of International Economics},
	month = {Dec},
	number = {2},
	pages = {467--492},
	url = {http://www.sciencedirect.com/science/article/B6V6D-45XTR89-2/1/18fb43facf7f7c3c63fc8cca49f13464},
	volume = {58},
	year = {2002},
	biburl = {http://www.bibsonomy.org/bibtex/21d4591c3ee2b380f035799cdb283fa8a/smicha},
	keywords = {Vertical differentiation }
}