Farrell and Shapiro (2008) have proposed a test – called the Upward Pricing Pressure (UPP) test – to evaluate potential unilateral effects of horizontal mergers. This comment shows that the UPP test – suitably reinterpreted and properly implemented – can be applied usefully also in industries where suppliers set prices through bidding competition.
Insights from the final panel at the CRA Brussels Conference 2025: Shaping the future of digital regulation and competition
The closing panel from 2025 CRA Brussels Conference, “Digital Regulation in Action: The DMA, AI, and the Future of Competition” moderated by Dr Matteo Foschi