|
EconStor >
Institute for Fiscal Studies (IFS), London >
cemmap working papers, Centre for Microdata Methods and Practice, Institute for Fiscal Studies (IFS) >
Please use this identifier to cite or link to this item:
http://hdl.handle.net/10419/64774
|
| | |
| Title: | | Is distance dying at last? Falling home bias in fixed effects models of patent citations  |
| Authors: | | Griffith, Rachel Lee, Sokbae Van Reenen, John |
| Issue Date: | | 2011 |
| Series/Report no.: | | cemmap working paper CWP18/11 |
| Abstract: | | We examine the home bias of knowledge spillovers (the idea that knowledge spreads more slowly over international boundaries than within them) as measured by the speed of patent citations. We present econometric evidence that the geographical localization of knowledge spillovers has fallen over time, as we would expect from the dramatic fall in communication and travel costs. Our proposed estimator controls for correlated fixed effects and censoring in duration models and we apply it to data on over two million patent citations between 1975 and 1999. Home bias is exaggerated in models that do not control for fixed effects. The fall in home bias over time is weaker for the pharmaceuticals and information/communication technology sectors where agglomeration externalities may remain strong. |
| Subjects: | | fixed effects home bias patent citations knowledge spillovers |
| JEL: | | O32 O33 F23 |
| Persistent Identifier of the first edition: | | doi:10.1920/wp.cem.2011.1811 |
| Document Type: | | Working Paper |
| Appears in Collections: | | cemmap working papers, Centre for Microdata Methods and Practice, Institute for Fiscal Studies (IFS)
|
| Files in This Item:
| |
|
| No. of Downloads:
| |
| last Month |
last 3 Month |
total |
|
|
|
|
|
| |
| | |
Download bibliographical data as:
BibTeX
|
| |
Share on:http://hdl.handle.net/10419/64774
|
Items in EconStor are protected by copyright, with all rights reserved, unless otherwise indicated.
|