PurposeOpen innovation is of crucial importance for all companies operating in the economics of widely distributed knowledge. However, the effects of its disclosure remain largely uncharted in the case of service companies. Therefore, the purpose of this paper is to measure the impact of open...

Crowded trades by similarly trading peers influence the dynamics of asset prices, possibly creating systemic risk. We propose a market clustering measure using granular trading data. For each stock the clustering measure captures the degree of trading overlap among any two investors in that...

We measure the individual and collective viewpoints of US Congress members on various economic policies by scraping their Twitter accounts. Tweets that criticize (support) a particular company are associated with a significant negative (positive) stock price reaction in a narrow time window...