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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 10:

Summary of Robustness Analyses Results

Model Specification Coefficient Emp. to Non-Emp. Unemp. to Emp. Non-Emp. to Emp.
a. Group-Level Analysis No Protection −0.040** 0.011 0.006
    × After ADA
(0.021)
(0.106)
(0.016)
R2 0.43 0.08 0.22
# of obs. 30 30 30

b. DDD Disabled −0.031* −0.192** 0.013
    × No Protection (0.018) (0.099) (0.019)
    × After ADA



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

c. Staggering Policy State-level Protection −0.03*** −0.02 0.02

(0.01)
(0.10)
(0.01)
R2 0.028 0.185 0.037
# of obs. 4,760 651 10,909

Note: Table 10 reports regression coefficients fromrobustness analyses. Numbers in parentheses are standard errors clusteredby state.

***

p < 1%,

**

p < 5%, and

*

p < 10%.