Epple and Romano (1998) show equilibrium provision of education by public and private schools has the latter skim off the wealthiest and most-able students, and flat-rate vouchers lead to further cream skimming. Here we study voucher design that would inject private-school competition and...

To study the effects of ability grouping on school competition, we develop a theoretical and computational model of tracking in public and private schools. We examine tracking's consequences for the allocation of students of differing abilities and income within and between public and private...