Cooperating Without Looking Moshe Hoffman,!?*? Erez Yoeli,2°* Martin Nowak? ‘Department of Computer Science and Engineering, University of California at San Diego, La Jolla, CA 92093 ?Program for Evolutionary Dynamics, Harvard University, Cambridge, MA 02138 Federal Trade Commission, 600 Pennsylvania Ave. NW,

ledged 'various analyses and interpretations.' ... Susan Shirk, a China expert and former official in the Clinton administration who is now at the University of California at San Diego, said it was possible that Chinese leader Xi Jinping had not been receiving accurate information from lower-level officials on the public dissatisf