In this essay, I measure markup behaviors at the firm level (as opposed to the aggregate level usually measured in the literature). I use firm-level data in manufacturing sectors of France from the Bureau van Dijk (BvD) Amadeus dataset. I focus on the manufacturing sector because it suits the...

This paper examines a homogeneous-good Bertrand-Edgeworth oligopoly model to explore the role of firm size and number in pricing. We consider the price impact of merger, break up, investment, divestment, entry and exit. A merger leads to higher prices only when it increases the size of the...