Research Article

Grandparental Childcare and Second Birth in China: Evidence from a Dynamic Model and Empirical Study

Table 5

Sensitivity to unobserved biases: Rosenbaum bounds for grandparental childcare treatment effects.

Gamma

1.00<0.0001<0.0001
1.05<0.0001<0.0001
1.10<0.0001<0.0001
1.150.0002<0.0001
1.200.037<0.0001
1.250.454<0.0001
1.300.932<0.0001
1.350.999<0.0001
1.400.999<0.0001
1.451.000<0.0001
1.501.000<0.0001

: log odds of differential assignment due to unobserved factors; : upper bound significance level (assumption: overestimation of treatment effect); : lower bound significance level (assumption: underestimation of treatment effect).