an anonymous referee, and seminar participants at several institutions for helpful comments. I would like to thank the Social Sciences and Humanities Research Council of Canada and the Alfred P. Sloan Foundation for financial support during the preparation of this paper. This paper is a revised version of parts of my doctoral dissertation.
Acknowledgments: We are grateful to Tom Cragg and Bruce Bradley for providing the data for this study. We acknowledge helpful comments from anonymous referees, and seminar participants at numerous institutions. We also appreciate editorial assistance from Anita Todd and programming assistance from Joe Vasey. An earlier version of this paper was distributed… (More)
We provide a description of the internal functioning of a price-posting retail market cartel based on an analysis of court documents containing the recorded conversations of participants in actual gasoline cartels operating in Québec. We characterize the organization and the pricing mechanism of the cartels, and we relate our findings to the theoretical… (More)
This paper seeks to evaluate whether the adoption of electronic medical records (EMRs) leads to upcoding for hospitalized Medicare patients, defined as categorizing a condition as more serious than justified in order to inflate bills, or more accurate coding. We use a triple difference: (1) between EMR and non-EMR hospitals; (2) before and after the 2007… (More)