Two independent studies by researches at NYU as well as MIT reveal the following facts: MIT NYU
In recent years US industries are becoming increasingly consolidated, with fewer businesses competing for customers and higher corporate profits as a result. The top four manufacturing firms control 43 percent; the top four retail trade firms control 30 percent of US sales.
Europe’s ( EU) democracies by contrast are encouraging competition and fighting monopoly power in a way that the United States no longer does. With stiffer regulation and more aggressive antitrust enforcement, EU officials actively intervene to keep individual companies and cartels from accumulating too much control. There’s no sign of this growing consolidation in European industries ranging from health care to manufacturing.