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. Author manuscript; available in PMC: 2017 Aug 1.
Published in final edited form as: Labour Econ. 2016 May 21;41:194–203. doi: 10.1016/j.labeco.2016.05.014

Table A.4.

Standard Bias Estimates from Matching

Layoff Business closed
Not Matched Matched Not matched Matched
Heart disease 5.52% 0.00% 0.53% 0.00%
Diabetes 0.56% 0.00% 18.15% 0.00%
Stroke −3.00% 0.00% 2.38% 0.00%
Hypertension −2.02% −1.06% 9.27% 0.00%
Cancer −0.29% 0.00% 3.41% 0.00%
Lung disease −7.78% −1.26% −7.81% 0.00%
Age 10.25% 2.72% 6.80% −1.67%
Male 1.97% 5.04% 15.56% 0.00%
Less than high school −11.17% 2.52% −17.33% −0.99%
High school 0.59% −6.63% −9.55% −3.39%
College 9.42% 5.52% 29.02% 5.77%
Black 7.03% 0.00% 2.44% −5.11%
Hispanic −5.54% 4.15% −12.67% −7.92%
Mother worked −10.46% −7.14% −8.37% 0.00%
# inf. in child 2.99% 3.26% −5.05% 11.83%
# health cond. −5.13% 2.60% −2.67% 3.73%
1+ parent smoke −7.78% 1.01% −8.89% 8.15%
Child health v.good −4.01% −4.52% 1.46% −6.49%
Child info. Missing 1.85% 3.14% 5.65% −4.35%
Mother education 6.37% −4.72% 28.29% 4.58%
Father education 3.98% −8.08% 19.52% 5.67%
# of marriage −10.40% −1.78% −6.31% 18.35%
# of children −8.38% 4.38% −8.29% −9.39%
Age first child −1.06% −3.20% 21.58% 6.77%
Manual occupation −7.84% −5.57% −16.50% −0.86%
Occupation missing −11.60% −2.24% −6.40% −2.01%
Primary industry −17.34% 8.89% 3.59% 8.75%
Secondary industry −13.56% −6.94% −24.26% −4.18%
Tertiary industry 24.98% −0.50% 20.68% −1.62%
Industry missing −14.94% −6.20% −5.37% 0.00%

Observations 798 492

We compare a standardized difference in means before and after matching where d=(x¯treatment-x¯control)/(streatment-scontrol)/2