[1
]CompleX Lab, University of Electronic Science and Technology of China, Chengdu, China;
and Kellogg School of Management, Northwestern University, Evanston, IL, USA.
[2
]Department of Economics, Inha University, Incheon, South Korea.
[3
]MIT Media Lab, Massachusetts Institute of Technology, Cambridge, MA, USA.
[4
]CompleX Lab, University of Electronic Science and Technology of China, Chengdu, China.
[5
]Center for Collective Learning, University of Toulouse, Toulouse, France; School of
Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA; and Alliance
Manchester Business School, University of Manchester, Manchester, UK.