It _is_ a problem. There is no need to use hypothetical here. - healthcare This high degree of concentration has been building for years. A study published in

It _is_ a problem. There is no need to use hypothetical here. - healthcare This high degree of concentration has been building for years. A study published in the American Economics Review in 2012 found that the share of U.S. communities in which health insurance markets had become “highly concentrated” (using the standard deployed by Federal anti-trust regulators) increased from 68 in 1998 to 99 percent in 2006. The same study concluded that this increase in concentration had caused a seven percentage point increase in premiums over the period. - telco https://www.groundedreason.com/does-the-u-s-have-a-broadband-monopoly-problem/ https://www.groundedreason.com/does-the-u-s-have-a-broadband... The actual list is long. There are 2 more obvious examples.