An economic theory of technological change
Subtitle: the case of patents and the United States railroads, 1871-1950
By: Trevor John Orme Dick.
Series: Dissertations in American economic history
Publisher: Arno Press
Published: 1978
Place of publication: New York
Language: eng
Number of pages: 145
Subjects: Technological innovations -- Economic aspects.; Railroads -- United States -- Finance -- History -- Case studies.; Patents -- United States -- History -- Case studies.; Investments -- United States -- History -- Case studies.
Notes: Bibliography: p. [140]-145.
Originally presented as the author's thesis, University of Washington, 1970.