A Composite Cost Function for Multiproduct Firms with an Application to Economies of Scope in Banking

A Composite Cost Function for Multiproduct Firms with an Application to Economies of Scope in Banking (with L. Pulley); Review of Economics and Statistics, Vol. 74, No. 2, 221-230 (1992). Available at: http://links.jstor.org/sici?sici=0034-6535%28199205%2974%3A2%3C221%3AAC…