Ansgar is an Applied Microeconomist, who uses applied game theory, empirical Microeconomic methods and laboratory experiments in his research. His main field of interest is Law & Economics, i.e., the economic analysis of the incentive effects of laws. Topics that Ansgar has worked on include an enforcement agency's incentives to investigate cases and impose punishment, the optimal design of the legal procedure and the impact of tort law on a potential injurer's incentives to take precautions. Examples for other areas that he has worked in are health, education, public finance, bank regulation and industrial organisation. The real-world impact of his research ranges from citations in Westminster debates to an ongoing policy project for the Food Standards Agency.
Before joining Swansea, he worked at the Universities of Portsmouth, Bonn and Aachen, and outside academia at PricewaterhouseCoopers.