@article{weche2021tacit author = {John Weche and Thomas Weck}, title = {Tacit Collusion and the Boundaries of Competition Law:}, journal = {European Competition and Regulatory Law Review}, volume = {5}, number = {1}, year = {2021}, keywords = {tacit collusion;algorithms;common ownership;Digital Markets Act;DMA;New Competition Tool;NCT}, abstract = {Tacit collusion gives rise to major practical challenges for the enforcement of competition law. A problem which is well known from the gas station markets, now acquires new topicality with the intervention of institutional investors (‘common ownership’) and the use of online pricing algorithms. This article connects the previous strands of discussion and establishes a link to the discussion regarding a New Competition Tool. Keywords: tacit collusion; algorithms; common ownership; Digital Markets Act; DMA; New Competition Tool; NCT}, url = {https://doi.org/10.21552/core/2021/1/4} doi = {10.21552/core/2021/1/4} }