Tacit collusion reduces welfare comparably to explicit collusion but remains mostly unaddressed by antitrust enforcement which greatly depends on evidence of explicit communication. We propose to target specific elements of firms' behavior that facilitate tacit collusion by providing...

The advance of digital technology is changing the nature of markets, enhancing the capacity of corporations to extract more consumers' surplus and lower the wages paid to workers. The rise of new technology has also diminished the efficacy of traditional laws to regulate firms and corporations....

In Katsoulacos et al. (2015) we examined the welfare properties of a number of monetary penalty regimes for tackling cartels, including revenue-based penalties, the most widely used regime. We showed that for a typical industry overcharge-based penalties welfare-dominate the others. However...