Is Your Machine Better Than You? You May Never Know

The authors are grateful to Santiago R. Balseiro; Jean Pauphilet; and seminar attendees at Yale University, Dartmouth College, HEC Paris, The Catholic University of Portugal, Machine Learning Approaches for Finance and Management conference at Humboldt University of Berlin, Bilkent University, and the European Decision Science seminar for their valuable comments. Furthermore, the authors thank the department editor, associate editor, and anonymous reviewers for insightful comments and suggestions that greatly improved this paper. In memory of Denis Gromb.