https://www.ofcom.org.uk/about-ofcom/what-we-do/rules-versus-principles-based-regulation

• Proposals to promote competition in digital markets vary in their focus on rules or principles
• Factors to consider when choosing a rules-based or principles-based regulatory approach
• The choice between rules and principles is not absolute and can partly accommodate nuance
• Policymakers can use a range of tools to mitigate some of the challenges with either approach
• Policymakers across jurisdictions may weigh the costs and benefits of either approach differently