Trends and Volatilities in Heterogeneous Patent Quality in Taiwan
This study analyzes patent trends and volatilities for three heterogeneous quality patents in the Taiwan patent system from January 1973 to June 2006. The estimated models are symmetric GARCH and asymmetric EGARCH, providing full sample, rolling sample, and out-of-sample evidence. Three different pa...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
Universidad Alberto Hurtado
2009-07-01
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Series: | Journal of Technology Management & Innovation |
Subjects: | |
Online Access: | http://www.jotmi.org/index.php/GT/article/view/478 |