The impact of economic concentration on technological progress
By: Ellen Susanna Cahn
Published: 1980
Language: eng
Number of pages: 129
Subjects: Industrial concentration; Big business; Technological innovations
Notes: Typescript (photocopy)

Published in microform: Ann Arbor, Mich. : University Microfilms International, 1980. -- 1 microfilm reel ; 35 mm. --([Publication] / University Microfilms International ; 80-28,775)

Thesis (Ph.D.)--Columbia University, 1980.

Bibliography: leaves 126-129.