economic theory prescribes that the advertising volume can be optimally reduced by levying a tax on ads. However, making use of … recent advances in the theory of Industrial Organization and two-sided markets we show that taxing ads may be …

a single theory – that the merger would create a dominant buyer (or group of buyers) that would exploit small, powerless … a comprehensive analysis of the role of buyer power in merger enforcement. It defines the types of buyer power … combinations that increase such power are beneficial, the article identifies ten situations in which a merger that augments …

We examine the profitability of cross-ownership in an oligopolistic industry where firms compete as Cournot rivals. We … profitable beyond that participation ratio. This result may be called a cross-ownership paradox, analogous to the merger paradox … over to the case of non-renewable resource industries. The profitability of a symmetric cross-ownership can be positive …