Newmark, Craig M - In: Public Choice 82 (1995) 3-4, pp. 365-73
J. F. Couch, W. F. Shughart, and A. L. Williams (1993) report that private school enrollments are positively correlated with scores on a standard algebra test taken by North Carolina public school students. In this paper, the author shows that if any one of five reasonable changes is made to the...