In an in-depth interview, Professor Thomas Philippon discusses his research on corporate investments
— June 28, 2017
Excerpt from Le Monde -- "Due to the high level of concentration in the United States in the early 2000s, US companies are dominant in their sectors. They are no longer challenged by competition, and therefore have no reason to invest as much as in the past. In other words, in the United States, the concentration of companies penalizes investment."