Google and Microsoft are examples of Market Dominance in HiTech. Both got very rich from price-gouging, or, if you like, perfectly legal price-fixing. For which the European authorities have just indicted Google. We'll see what happens in Europe, if Uncle Sam is too much of a market-overseer milquetoast to do his duty in the US. (And I cannot imagine why Bing is not doing better; it's a damn fine search-mechanism.)
However, in fact I was thinking of some more traditional markets that are heavily consolidated, more humdrum: US HealthCare, Banking, and Insurance. Some others with the same trends (from
here, excerpted):
Aside from stock-market valuations, is the American public better off from too much consolidation ... ?