Cohort crowding: how resources affect collegiate attainment

Table 4: Regression of BA degrees per capita on cohort size,Comparison between Census and Institutional data1990 Census 2000 Census1954-87 Degree years 1954-96 Degree years1932-1965 Birth cohorts 1932-1974 Birth cohorts(1) (2) (3) (4)Census-based share born in state with BA on year of birth population variableLn Pop Coefficient -0.26 -0.11 -0.24 -0.13(0.05) (0.03) (0.03) (0.05)Institutional BA / Pop 18 on population 18 variableLn Pop Coefficient -0.34 -0.97 -0.29 -0.80(0.09) (0.09) (0.07) (0.08)State Effects Yes Yes Yes YesYear Effects Yes Yes Yes YesState Trends No Yes No YesNotes: In the top row, Columns (1)-(2) use observations by year and state of birth from the 1990Census and Vital Statistics measures of birth cohort size; Columns (3)-(4) use observations byyear and state of birth from the 2000 Census and Vital Statistics measures of birth cohort size.The second row corresponds to results in Table 2, with the difference that dependent variable ismeasured as the log of the ratio of BA degrees to cohort size rather than the log of the number ofBA degrees.31