During the last few years, Oxford Competition Economics has participated as an economic advisor in numerous regulatory cases in different industries, including telecommunications, energy, air & terrestrial transportation and financial services, among others. We have supported clients with reports, analyses and expert testimonies addressing different areas of economic regulation, such as the determination of the level (and structure) of tariffs, the estimation of relevant costs for regulatory purposes and the assessment of the impacts of sector-specific regulations on the performance of firms and corporations.