From Good to Bad Concentration? U.S. Industries over the past 30 years
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We study the evolution of profits, investment and market shares in US industries over the past 40 years. During the 1990s, and at low levels of initial concentration, we find evidence of efficient concentration driven by tougher price competition, intangible investment, and increasing productivity
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美国国家经济研究局创建时间：
2019-06-01
