Impact of labor market concentration on wages, 1977–2009
Period | Coefficient in HHI* | HHI | Wage impact |
---|---|---|---|
1977–1981 | 0.044 | 0.698 | 3.1% |
1982–1986 | 0.038 | 0.714 | 2.7% |
1992–1996 | 0.044 | 0.717 | 3.2% |
1997–2001 | 0.047 | 0.719 | 3.2% |
2002–2009 | 0.033 | 0.756 | 3.6% |
Change 1977–2009 | 0.058 | 0.5% |
* Herfindahl-Hirschman index
Source: Benmelech, Bergman, and Kim 2018 (Figure 1 and Table 5, panel B)