Keynes (1921) and Ellsberg (1961) have articulated an aversion toward betting on an urn containing balls of two colors of unknown proportion to one with a 50-50 composition. Keynes views this as reflecting different preferences for bets arising from different sources of uncertainty. Ellsberg...

We examine whether individual investors in China have the ability to acquire and process the information of industry peers. We exploit the initial earnings announcement within each industry-quarter during 2015-2017 and use the frequency of investors’ daily discussions on the Xue Qiu platform...