Imperfect Competition and Sanitation: Evidence from Randomized Auctions in Senegal

We thank Madelyn Bagby, Josh Deutschmann, Jared Gars, Shoshana Griffith, Ahmadou Kandji, Nitin Krishnan, Sarah Nehrling, Cheikh Samb, and Nguyen Vuong for excellent research assistance and the Bill and Melinda Gates Foundation for generous funding for the project. Thanks to Mbaye Mbeguere and the members of the Senegal Office of Sanitation (ONAS) as well as Water and Sanitation for Africa for their collaboration on this project. We thank Radu Ban, Lori Beaman, Robert Clark, Charlie Holt, Seema Jayachandran, Cynthia Kinnan, Robert Porter, Mar Reguant, and seminar participants at Dartmouth, the Econometric Society North American Winter Meetings, NBER-Market Design Fall Meetings, Northwestern University, Princeton University, MIT, University of Houston, University of Michigan, University of Virginia, University of Montreal, UW Madison, UW Milwaukee, and the Washington-Area Development Conference for their comments. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.