Linked to its advice to government and the proposed Digital Markets Unit, the CMA has released research on algorithms and how to ensure they do not harm competition or detriment consumers. In particular they look at theories of harm, ways to investigate harms and discuss the potential role of regulators in addressing these harms.

https://www.gov.uk/government/publications/algorithms-how-they-can-reduce-competition-and-harm-consumers/algorithms-how-they-can-reduce-competition-and-harm-consumers#techniques-to-investigate-these-harms