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. Author manuscript; available in PMC: 2014 Jul 28.
Published in final edited form as: Am Econ Rev. 2011 Dec;101(7):3019–3046. doi: 10.1257/aer.101.7.3019

Table 1.

Summary Statistics

1960 1970 1980 1990
Panel A: Central District Means and Standard Deviations
Log (White Public Enrollment) 10.52
(0.72)
10.59
(0.71)
10.07
(0.75)
9.94
(0.82)
Log (White Private Enrollment) 8.66
(1.40)
8.67
(1.28)
8.60
(1.05)
8.47
(0.96)
Log (Black Public Enrollment) 9.00
(1.20)
9.53
(1.16)
9.52
(1.10)
9.59
(1.03)
Log (Black Private Enrollment) 6.05
(1.75)
6.02
(1.58)
6.40
(1.51)
6.49
(1.43)
Log(Total White Population) 12.35
(0.82)
12.34
(0.76)
12.28
(0.74)
12.25
(0.78)
Log(Total Black Population) 10.56
(1.20)
10.78
(1.18)
11.00
(1.11)
11.13
(1.05)
Fraction of Metropolitan Land
 Area in the Central District
0.20
(0.29)
0.20
(0.29)
0.20
(0.29)
0.20
(0.29)
Number of Districts in the
 Metropolitan Area
35.21
(46.04)
34.25
(43.23)
33.97
(42.56)
Desegregated Districts 0 28 88 92
Desegregated Districts (5+) 0 4 69 92
Panel B: Mean Central District Private School Enrollment Shares
White Private Share 0.17 0.16 0.22 0.21
White Private Share - South 0.11 0.10 0.18 0.18
White Private Share - Non-South 0.24 0.23 0.25 0.25
Black Private Share 0.07 0.04 0.05 0.05
Black Private Share - South 0.04 0.02 0.03 0.04
Black Private Share - Non-South 0.11 0.05 0.07 0.07
Panel C: Census Tract Sample
Total Tracts 8,044 9,555 10,293 10,758
Desegregated Tracts 0 1,802 9,328 10,758
Desegregated Tracts (5+) 0 416 6,543 10,758
Central Districts With Tract Data 78 89 92 92

Note: Panels A and B show summary statistics of the data set used to generate Tables 2-6 while Panel C shows sample characteristics of the data set used to generate Figures 4-6. Figures A1 and A2 are generated using a subset of the sample described in Panel C.