A four-output cost function is used to investigate the existence of economies of scale and scope in the University of São Paulo. The following outputs were incorporated: undergraduate teaching, graduate teaching, thesis and dissertations concluded and teacher's publications. A panel data model was estimated for 35 University's education and research units, employing data for the period 1996 to 1999. Our results provided evidence of the existence of product-specific scale economies only for undergraduate and graduate teaching. Product-specific constant returns to scale were observed in the other two products. However, product-specific economies of scope emerged in all products. Therefore, the research university model, combining undergraduation, graduation and research appeared to be more cost efficient. Finally, it was interesting to note that the marginal costs estimated were: R$ 14.23 for undergraduate teaching, R$ 64.79 for graduate teaching, R$ 24,206.96 for thesis and dissertations concluded and R$ 3,976.02 for books and papers published.
