From: Immigration and wages: new evidence from the African American Great Migration
 |  | Proportional change | Proportional change | ||
---|---|---|---|---|---|
 |  | (1940–1960) | (1940–1970) | ||
Education group | Experience group | White | Black | White | Black |
Less than 5th grade | 6–10 | 0.10 | −0.50 | −0.15 | −1.00 |
 | 11–15 | −0.02 | 0.20 | −0.48 | −0.75 |
 | 16–20 | 0.58 | 0.24 | −0.19 | −0.65 |
 | 21–25 | 0.58 | 0.11 | −0.23 | −0.71 |
 | 26–30 | 0.90 | 0.08 | 0.33 | −0.69 |
 | 31–35 | 0.25 | 0.14 | 0.30 | −0.58 |
 | 36–40 | 0.98 | 0.21 | 1.21 | −0.40 |
5th–8th grade | 1–5 | 2.14 | 3.05 | 2.63 | 5.69 |
 | 6–10 | 0.04 | 0.13 | −0.39 | −0.60 |
 | 11–15 | 0.10 | 0.01 | −0.37 | −0.61 |
 | 16–20 | 0.25 | 0.09 | −0.34 | −0.65 |
 | 21–25 | 0.09 | 0.20 | −0.24 | −0.47 |
 | 26–30 | 0.15 | 0.19 | −0.02 | −0.37 |
 | 31–35 | 0.62 | 0.81 | 0.63 | 0.33 |
 | 36–40 | 0.83 | 1.19 | 0.72 | 0.78 |
Some high school | 1–5 | 3.06 | 1.66 | 4.62 | 2.33 |
 | 6–10 | 0.83 | 1.92 | 0.70 | 1.36 |
 | 11–15 | 0.63 | 1.82 | 0.46 | 1.59 |
 | 16–20 | 0.88 | 2.72 | 0.59 | 2.41 |
 | 21–25 | 1.50 | 3.60 | 1.22 | 3.11 |
 | 26–30 | 2.11 | 4.79 | 2.58 | 6.97 |
 | 31–35 | 2.02 | 4.49 | 3.60 | 9.39 |
 | 36–40 | 3.87 | 5.48 | 5.94 | 11.88 |
High school degree | 1–5 | 1.95 | 3.04 | 2.56 | 4.38 |
 | 6–10 | 1.18 | 2.29 | 2.22 | 4.47 |
 | 11–15 | 1.09 | 4.62 | 1.87 | 11.38 |
 | 16–20 | 1.92 | 4.34 | 3.09 | 9.02 |
 | 21–25 | 3.32 | 5.32 | 4.21 | 6.46 |
 | 26–30 | 3.28 | 6.31 | 5.26 | 16.27 |
 | 31–35 | 2.63 | 8.73 | 6.42 | 14.33 |
 | 36–40 | 2.75 | 4.20 | 8.65 | 8.27 |
Greater than high school | 1–5 | 1.72 | 2.64 | 5.74 | 6.52 |
 | 6–10 | 1.94 | 3.54 | 3.81 | 8.23 |
 | 11–15 | 1.84 | 4.60 | 3.00 | 8.50 |
 | 16–20 | 2.24 | 2.71 | 3.50 | 6.20 |
 | 21–25 | 1.78 | 2.34 | 3.12 | 4.29 |
 | 26–30 | 1.31 | 2.19 | 4.74 | 4.89 |
 | 31–35 | 1.63 | 1.76 | 4.36 | 4.55 |
 | 36–40 | 1.90 | 2.35 | 5.78 | 4.18 |