Choi, Byung-Il Three essays in the theory of industrial organization [microform] / by Byung-Il Choi - Ann Arbor, Mich. : University Microfilms International, 1990 - 2 microfiches ; 11 x 15 cm. Thesis (Ph.D.) - Yale University, 1989 Subjects--Topical Terms: Industrial organizationIndustrial management