@article{Capocci2001,
	title = {Market ecology of active and passive investors},
	author = {Andrea Capocci and Yi-Cheng Zhang},
	day = {15},
	journal = {Physica A: Statistical Mechanics and its Applications},
	month = {Sep},
	number = {3-4},
	pages = {488--498},
	url = {http://www.sciencedirect.com/science/article/B6TVG-43TFVFD-K/1/0d0774908a332d9427de5b32f958f134},
	volume = {298},
	year = {2001},
	biburl = {http://www.bibsonomy.org/bibtex/2e50e91287378de8d5572b837a779a4ce/smicha},
	description = {Physica A},
	keywords = {imported }
}