Summary Statistics by Birth Year of Sons
| Variable | All | 1955 | 1956 | 1957 |
|---|---|---|---|---|
| Father’s age at birth of son | 24.68 (2.53) | 24.66 (2.51) | 24.77 (2.50) | 24.62 (2.58) |
| Log lifetime income (sons) | 11.97 (0.43) | 11.98 (0.42) | 11.98 (0.42) | 11.95 (0.44) |
| Log lifetime income (fathers) | 11.72 (0.42) | 11.73 (0.44) | 11.72 (0.43) | 11.72 (0.40) |
| Number of positive income observations (sons) | 28.52 (1.86) | 28.57 (1.71) | 28.56 (1.74) | 28.43 (2.11) |
| Number of positive income observations (fathers) | 30.32 (3.76) | 29.99 (4.13) | 30.36 (3.62) | 30.59 (3.48) |
| Father-son pairs (N) | 3,504 | 1,167 | 1,173 | 1,164 |
Notes: The table reports means with standard deviations within parentheses.