Yale University, affiliation not provided to SSRN, Stockholm University - Swedish Institute for Social Research (SOFI), University of Melbourne - Department of Economics, VATT Institute for Economic Research, University of Glasgow, National Taiwan University, Stockholm University - Swedish Institute for Social Research (SOFI), Renmin University of China, Columbia University, Amazon - Stores Economics and Science (SEAS), Universidad de los Andes and Monash University - Department of Economics