high cybersecurity risk. Reassuringly, the measure is higher in information-technology industries, correlates with …

Using the introduction of high-speed rail (HSR) as an exogenous shock to costs of information acquisition, we show that … reductions in information-acquisition costs lead to (i) a significant increase in information production, evidenced by a higher … information lead to these effects becoming more pronounced. Importantly, more information production is also associated with …

, implies inefficient use of the information contained in analysts' outputs. Further, the post-earnings announcement drift (PEAD …

recommendations, and (ii) change internet users information discovery by serving as substitutes for traditional information providers …. We evaluate some nontraditional data and find evidence suggesting that it contains valuable information or ``crowd wisdom …

We examine the nature of information contained in insider trades prior to corporate events. Insiders' net buying … events. Overall, our results suggest that insider trades before corporate events contain information about changes both in …

Using the introduction of high-speed rail as exogenous shocks to costs of information acquisition, we show that … reductions in information-acquisition costs lead to a significant increase in information production and improvement in output … that information production represents the channel through which acquisition costs affect output quality. We corroborate …