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. Author manuscript; available in PMC: 2019 Oct 1.
Published in final edited form as: Labour Econ. 2018 Aug 13;54:116–134. doi: 10.1016/j.labeco.2018.08.001

Table 18:

Coefficient Estimation Results: DDD

Coefficient Employment to Non-Employment
Unemployment to Employment
Non-employment to Employment
Employment
(1) (2) (3) (4)
Disabled −0.091*** −0.108*** −0.205*** −0.53***
(0.009) (0.030) (0.008) (0.01)
No Protection −0.018*** 0.152*** −0.008 −0.04***
(0.002) (0.019) (0.008) (0.005)
After ADA 0.011 −0.037 0.008 0.01
(0.014) (0.044) (0.018) (0.01)
Disabled −0.021 0.002 0.008 −0.07***
    × After ADA (0.013) (0.074) (0.014) (0.02)
No Protection 0.003 0.048 −0.018 0.003
    × After ADA (0.003) (0.048) (0.018) (0.01)
Disabled −0.034 0.009 −0.019 −0.03
    × No Protection (0.021) (0.084) (0.014) (0.02)
Disabled −0.030* −0.192** 0.013 0.03
    × No Protection (0.018) (0.099) (0.019) (0.03)
    × After ADA

R2 0.017 0.032 0.155 0.234
# of obs. 120,861 5,891 22,896 143,757

Note: Table 18 reports regression coefficients of difference-in-difference-in-differences analysis. Regression also controls for education and age, as well as state and year dummies. Numbers in parentheses are standard errors clustered by state.

***

p < 1%,

**

p < 5%, and

*

p < 10%.