Cohort crowding: how resources affect collegiate attainment

Table 7: Effects of cohort size on BA completion and enrollmentby type of institution, 1968-1996Ln UndergraduateFTE EnrLn BAon Ln Pop 18 on Ln Pop 18Community Colleges 0.82(0.37)Other Public 0.56 0.82(0.13) (0.22)Flagship Public 0.20 0.28(0.07) (0.05)All Private 0.99 1.20(0.42) (0.45)Research I Private -0.07 -0.19(0.36) (0.45)Liberal Arts Colleges 0.26 0.71(0.17) (0.17)Notes: Data on degrees conferred and enrollment by type of institution are tabulated frominstitution-level data from the HEGIS/IPEDs. Enrollment data are aligned with the populationage 18 in the state in the concurrent year; BA data are aligned with the population age 18 yearsold in the state 4 years prior, in accordance with the expectation of a four-year modal time todegree. See Data Appendix for further details. Each entry and associated standard error is thecoefficient on the log of the population measure in a regression that also includes state and yearfixed effects.34