The effect of Internal Audit Outsourcing on Financial Statement Users'Confidence in Their Protection From Fraudulent Financial Reporting Many analysts have identified principal-agent problems as a major source of underperformance in public education. Public school administrators need not compete for customers and are therefore free of the market discipline that aligns producer incentives with consumer demand in private markets. Chubb and Moe, for example, argue that the interests of parents and students tend to be far outweighed by teachers unions, professional organizations, and other entrenched interests that, in practice, have traditionally dominated the politics of education, (1990, p. 31).1 One proposed solution advocated by Friedman (1962) and others is to.