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Working Paper
Evidence for the Effects of Mergers on Market Power and Efficiency
Study of the impact of mergers and acquisitions (M&As) on productivity and market power has been complicated by the difficulty of separating these two effects. We use newly-developed techniques to separately estimate productivity and markups across a wide range of industries using detailed plant-level data. Employing a difference-in-differences framework, we find that M&As are associated with increases in average markups, but find little evidence for effects on plant-level productivity. We also examine whether M&As increase efficiency through reallocation of production to more efficient ...
Journal Article
Bank consolidation and merger activity following the crisis.
Michal Kowalik, Troy Davig, Charles S. Morris, and Kristen Regehr analyze the financial characteristics of acquired community banks from 2011 to 2014.