Template-type: ReDIF-Paper 1.0 Author-Name: OECD Title: Market studies and other market analysis tools for competition authorities Abstract: Competition authorities have long used market studies and other market analysis tools to examine a sector and understand how effectively competition is working independently of wrongdoing by a specific firm. This paper considers the similarities and differences in the use of market studies across countries, including best practices and potential extensions to market studies, such as market investigation tools and cross-country co-operation. Classification-JEL: K21; L4; L40; L49 Keywords: competition policy, international co-operation, market investigations, market studies Creation-Date: 2025-10-31 Number: 327 Handle: RePEc:oec:dafaac:327-EN