The OECD Competition Open Day offers every year a unique opportunity to discuss cutting-edge topics recently addressed by the OECD Competition Committee. The sixth edition will be held in Paris on 6 March 2023. The 2024 programme includes Consumer Welfare Standard, Algorithmic Competition, Competition and Innovation, Theories of Harm for Digital Mergers as well as the launch of OECD Competition Trends for 2024. Keynote address by Prof. Mario Monti (Former EU Commissioner for Competition. This is a free event open to the broad competition community and those interested in the work of the OECD on competition, including legal practitioners, economists, consultants, in-house counsel, regulators, academics and the media.