Do established firms buy new businesses to take out future competition? Recent works in economics literature use “killer acquisitions” as a graphic concept to describe these transactions. How concerned should competition policy be? The answer to this question hinges on how much the...

Many European countries have sought to increase the efficiency of national railroad companies through a range of reforms: separating infrastructure and operations, creating independent regulatory institutions and providing access to the network to third parties. To estimate the effects of...

Because the demand for OS is a derived demand revealed through the demand for PCs and because its elasticity is relatively small, the profit-maximizing price of DOS/WIN that would result from a static equilibrium is much higher than the observed price. We investigate this assertion empirically...

Do new digital consumption channels of music depress sales in old physical ones, or are they complementary? To answer this question, we exploit product-level variation in sales and prices of over 4 million products, observed weekly between 2014 and 2017 for the entire French market. A unique...