Baseline Comparisons (Means Computed from 1950 and 1954)
Variable | Treatment | Control | Difference (Treatment-Control) | Standard Error | ||
---|---|---|---|---|---|---|
Mean | Standard Deviation | Mean | Standard Deviation | |||
Panel A - Treatment is Mississippi and neighboring counties, control is remaining counties in neighboring states | ||||||
Marriages per 1,000 in population | 23.09 | 45.66 | 10.53 | 17.96 | 12.56*** | 2.29 |
Log crude birth rate | 3.16 | 0.22 | 3.06 | 0.303 | 0.09*** | 0.022 |
Percent 14–17-year-olds enrolled | 77.64 | 5.12 | 76.89 | 6.14 | 0.75 | 0.67 |
Manufacturing wage | 2.78 | 9.33 | 4.11 | 12.77 | −1.32 | 0.95 |
Percent employed in manufacturing | 35.25 | 27.83 | 44.33 | 39.35 | −9.08*** | 2.909 |
Farms per 100 in population | 0.12 | 0.04 | 0.097 | 0.04 | 0.02*** | 0.002 |
Percent farms with tractors | 27.22 | 8.56 | 33.12 | 13.38 | −5.89*** | 1.37 |
Agricultural employment per 1,000 in population | 150.93 | 58.9 | 115.11 | 53.92 | 35.82*** | 6.25 |
Panel B - Excluding Mississippi counties | ||||||
Marriages per 1,000 in population | 19.97 | 44.7 | 10.53 | 17.96 | 9.44*** | 2.44 |
Log crude birth rate | 3.15 | 0.213 | 3.06 | 0.3033 | 0.088*** | 0.027 |
Percent 14–17-year-olds enrolled | 76.02 | 4.31 | 76.89 | 6.14 | −0.86 | 1.23 |
Manufacturing wage | 3.73 | 11.6 | 4.11 | 12.77 | −0.376 | 1.19 |
Percent employed in manufacturing | 36.96 | 29.174 | 44.33 | 39.35 | −7.37** | 3.57 |
Farms per 100 in population | 0.11 | 0.04 | 0.1 | 0.04 | 0.016*** | 0.004 |
Percent farms with tractors | 27.22 | 8.56 | 33.12 | 13.38 | −5.89*** | 1.37 |
Agricultural employment per 1,000 in population | 137.85 | 53.95 | 115.11 | 53.92 | 22.73** | 10.7 |
Panel C - Excluding Mississippi counties and within 200 miles of Mississippi border | ||||||
Marriages per 1,000 in population | 19.97 | 44.7 | 9.56 | 19.93 | 10 41*** | 3.13 |
Crude birth rate | 3.154 | 0.213 | 3.13 | 0.321 | 0.022 | 0.03 |
Percent 14–17-year-olds enrolled | 76.02 | 4.31 | 77.53 | 6 | −1.51 | 1.23 |
Manufacturing wage | 3.73 | 11.6 | 4 | 14.15 | −0.269 | 1.38 |
Percent employed in manufacturing | 36.96 | 29.17 | 41.16 | 33.97 | −4.19 | 3.36 |
Farms per 100 in population | 0.11 | 0.04 | 0.09 | 0.043 | 0.019*** | 0.004 |
Percent farms with tractors | 27.22 | 8.56 | 36.44 | 13.38 | −9.216*** | 1.59 |
Agricultural employment per 1,000 in population | 137.85 | 53.95 | 117.63 | 53.29 | 20.21* | 11.02 |