Parameters of the distribution of the value of patent rights in Britain and Ireland for the 1852-76 period are estimated, and compared with similar estimates by Schankerman and Pakes (1986) for the 1950-76 period. Market variables of the earlier period have a low ability, but those of the later period a high ability, to explain fluctuations in the value of patent rights. Aggregate patent rights have more lower-valued patents in the earlier period. In the earlier period there was no trade-off between quantity and 'quality' of patents, but in the later period there was. Aggregate value of patent rights increased relative to gross fixed capital formation, from 1870 to 1970, by approximately 100 percent. A greater amount of R&D effort helps to explain many of the differences found between the two periods. Copyright 1994 by The London School of Economics and Political Science.
Download Info
To download:
If you experience problems downloading a file, check if you have the
proper application to
view it first. Information about this may be contained
in the File-Format links below. In case of further problems read
the IDEAS help
page. Note that these files are not on the IDEAS
site. Please be patient as the files may be large.
As the access to this document is restricted, you may want to look for a different version under "Related research" (further below) or search for a different version of it.
Publisher Info
Article provided by London School of Economics and Political Science in its journal Economica.
Volume (Year): 61 (1994) Issue (Month): 241 (February) Pages: 37-58 Download reference. The following formats are available: HTML
(with abstract),
plain text
(with abstract),
BibTeX,
RIS (EndNote, RefMan, ProCite),
ReDIF
For technical questions regarding this item, or to correct its listing, contact: (Christopher F. Baum).
Related research
Keywords:
Cited by: (explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)