market concentration

Is There A Lack Of Competition In The US Economy?

by

Is There A Lack Of Competition In The US Economy? But when corporations use their market power to shape the policy and regulatory environment in ways that crush competition, problems arise. And unfortunately, there’s more than enough evidence to conclude that a substantial portion of the U.S. economy suffers from a lack of competition. What

What Does Concentration Ratios And The Herfindahl Index Measures?

by

What Does Concentration Ratios And The Herfindahl Index Measures? What does concentration ratios and the Herfindahl index measures? Concentration ratio of market concentration is usually measured as the sum of the market shares of four, eight or twelve largest companies in an industry. Herfindahl-Hirschman index of market concentration is expressed as the sum of squared