Market concentration has been suggested as an enhancer of bargaining power imbalances for vertical commercial relationships. However, the empirical literature has not yet explored in which way this market concentration, as a result of -for instance- a M&A operations, could affect the...

Online platforms have become one of the most important business models of the digital economy and likely counteracted some of the drop in economic activity during the COVID-19 pandemic. At the same time, platform markets are subject to controversial debates about market power and the need for...