@article {1974,
	title = {Sticky Rebates: Loyalty Rebates Impede Rational Switching of Consumers},
	journal = {Journal of Competition Law and Economics},
	volume = {11},
	year = {2015},
	pages = {431-461},
	author = {Alexander Morell and Andreas Gl{\"o}ckner and Emanuel V. Towfigh}
}
