@article{Christoffersen2004,
	title = {The importance of the loss function in option valuation},
	author = {Peter Christoffersen and Kris Jacobs},
	journal = {Journal of Financial Economics},
	month = {May},
	number = {2},
	pages = {291--318},
	url = {http://www.sciencedirect.com/science/article/B6VBX-49Y3J1V-3/1/cd991388e85fe2e4f6cda88dc76ec5af},
	volume = {72},
	year = {2004},
	biburl = {http://www.bibsonomy.org/bibtex/26b884068407d42ea882283a0c71aeb70/smicha},
	keywords = {Implied functions volatility }
}