@article{Pinder2003,
	title = {An empirical examination of the impact of market microstructure changes on the determinants of option bid-ask spreads},
	author = {Sean Pinder},
	journal = {International Review of Financial Analysis},
	number = {5},
	pages = {563--577},
	url = {http://www.sciencedirect.com/science/article/B6W4W-48WPVVK-3/1/465c6424eef369694570f21c90b42b0c},
	volume = {12},
	year = {2003},
	biburl = {http://www.bibsonomy.org/bibtex/25e0ca81426735eb80542732c082130ab/smicha},
	keywords = {Bid-ask spreads }
}