Abstract – An increasing number of papers assess the effectiveness of charter schools by comparing the performance of their students with that of students in traditional public schools. In this paper, we develop a model that shows that the presence of charters reproduces a market equilibrium in which all students have the same purchasing power to buy educational services. In this situation, there is no difference in performance between the students allocated to charter or to traditional public schools. Nevertheless, the introduction of charter schools makes the system more equitable and, under certain assumptions, improves the average performance of all students.
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janeiro 3, 2011