1. Rotman School of Management, University of Toronto, Toronto, Ontario M5S 3E6, Canada;
2. International Business School, Zhejiang University, Haining, Zhejiang 314400, China;
3. School of Economics, Zhejiang University, Hangzhou, Zhejiang 310058, China;
4. Faculty of Business and Economics, University of Lausanne, 1015 Lausanne, Switzerland;
5. AliResearch, Alibaba Group, Hangzhou 310023, China