@article{chassang2012selective,
	Author = {Chassang, Sylvain and {Padr\'{o}-i-Miquel}, Gerard and Snowberg, Erik},
	Journal = {American Economic Review},
	Month = {June},
	Number = {4},
	Pages = {1279--1309},
	Title = {{Selective Trials: A Principal-Agent Approach to Randomized Controlled Experiments}},
	Volume = {102},
	Year = {2012}}