Treatment Effect Bounds: An Application to Swan-Ganz Catheterization
---- Acknowledgements ----
We thank Seung-Hyun Hong and seminar participants at Brigham Young University, University of Chicago, Harvard/MIT, Michigan Ann-Arbor, Michigan State, and at the ZEW 2nd Conference on Evaluation Research in Mannheim for helpful comments. We also thank an Editor, Associate Editor, and three anonymous referees for valuable suggestions. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.