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- Ya-Ming Liu and Jur-Shan Cheng.
- Department of Economics, National Cheng Kung University, No. 1 University Road, Tainan 701, Taiwan. ymliu@mail.ncku.edu.tw
- Health Policy. 2012 Dec 1;108(2-3):228-35.
ObjectivesThis paper investigates the determinants of generic entry in the regulated Taiwanese prescription drug market, where physicians both prescribe and dispense drugs.MethodsUsing a sample of 29 ingredients and a population claim data set from 1997-2007, we employ the negative binomial regression to empirically examine the determinants of generic entry in Taiwan.ResultsThis study finds that the lagged number of competitors, market size, and market share of large-scale medical providers affect generic entry.ConclusionsThe negative effect of large buyers on generic entry implies that rent-seeking behavior appears to create a barrier for generic manufacturers to enter into the Taiwanese prescription drug market.Copyright © 2012 Elsevier Ireland Ltd. All rights reserved.
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