the results o f this study indicated that non-White students did not ingeneral under-perform relative to White students in Introductory Microeconomics whenother factors are controlled. University-effects far dominated peer-effects in their impacton student performance, suggesting that achievement differences were largely attributableto quality differences between historically-White and historically non-White universities.Moreover, recent research has found that higher ability Blacks in the United States weremore likely than Whites to complete university studies successfully irrespective o f thequality o f the college, provided the other factors were identical across races