College of Information and Computer Science;
Shanghai Business School;
Shanghai 200235;
China;
Department of Information Systems;
College of Business;
City University of Hong Kong;
Kowloon Tong;
Hong Kong;
Department of Information Systems;
WP Carey School of Business;
Arizona State University;
Tempe;
USA;
P2P lending; Social media; Self-disclosure; Default; Difference-in-difference;