This paper analyses the impact of common ownership on markups and innovation and adds to the discussion of the recently observed patterns of a long term rise in market power. We shed light on the inconclusiveness of results regarding the effects of common ownership on markups in the existing...

Electricity markets are prone to the abuse of market power. Several US markets employ algorithms to monitor and mitigate market power abuse in real time. The performance of automated mitigation procedures is contingent on precise estimates of firms' marginal production costs. Currently, marginal...

This paper investigates the effect of merger-driven market concentration on the markups of non-merging rival firms in Europe’s paper manufacturing industry. Using a representative data set of 400 independently-owned companies spanning a ten-year period, we aim to disentangle the impact of...