Affiliation: | 1. University of Toronto, Toronto, Canada 2. University of Rochester, Rochester, NY, USA 3. Columbia Business School, New York, NY, USA 4. Stanford University, Stanford, CA, USA 5. Pennsylvania State University, State College, PA, USA 6. New York University, New York, NY, USA 7. University of California-Berkeley, Berkeley, CA, USA 8. University of Maryland, College Park, MD, USA
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