38 South-Rustbelt difference in black-white AFQT gap (1)(2)(3)(4)(5)(6) 1960 to 1962 average -4.75 *** -4.59 *** -4.47 *** -3.91 *** -3.46 *** --- (1.17)(1.04)(1.01)(1.18)(1.05) 1960-1962 to 1970-1972 7.60 *** 7.04 *** 7.06 *** 6.36 *** 5.62 *** 7.13 *** Change(1.13)(0.81)(0.88)(1.18)(0.92)(1.22) Region-race-cohortYYYYYY Region-race-timeYYYYYY Region-race-ageYYYYYY Region-educationYYYYY Race-educationYYYY Region-race-educationYY Age-timeYYY Region-age-timeYY Race-age-timeYY Education-timeYYY Region-education-timeYY Race-education-timeYY Region-race-educ-timeY Table 4: South v.