Affiliation: | 1. University of Virginia, Darden School of Business, PO Box 6550, Charlottesville, Virginia 22906, USA;2. Said Business School, University of Oxford, Park End Street, Oxford OX1 1HP, UK;3. University of Chicago Booth School of Business and NBER, 5807 S. Woodlawn Ave, Chicago, Illinois 60637, USA;4. Warburg Pincus, Almack House, 28 King Street, London SW1Y 6QW, UK |