The explosive growth in companies' exploitation of big data is drawing intense scrutiny from European antitrust authorities. EU Competition Commissioner Margrethe Vestager has promised to “keep a close eye on how companies use data” and a number of European antitrust authorities have...

This study examines whether antitrust risk affects firms’ disclosure of mergers and acquisitions (M&As). Due to regulatory exemptions, deals that fall below a size threshold escape formal antitrust scrutiny at the time of the merger. These “non-reported” deals can have important...

This paper reports 45 laboratory duopoly markets that examine the importance of information sharing in facilitating tacit collusion under conditions of demand uncertainty. Sellers in these repeated laboratory markets generally shared information when possible to reduce their demand uncertainty,...

This paper reports 45 laboratory duopoly markets that examine the importance of information sharing in facilitating tacit collusion under conditions of demand uncertainty. Sellers in these repeated laboratory markets generally shared information when possible to reduce their demand uncertainty,...