@article{ClemensGottliebShadow,
	title = {In the Shadow of a Giant: Medicare's Influence on Private Payment Systems},
	author = {Jeffrey Clemens and Joshua D. Gottlieb},
	year = {2017},
	journal = {Journal of Political Economy},
	volume = {125},
	number = {1},
	month = {February},
	pages = {1--39}
}