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ifo Institut – Leibniz-Institut für Wirtschaftsforschung an der Universität München >
CESifo Working Papers, CESifo Group Munich >
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http://hdl.handle.net/10419/46569
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| Title: | | Longitudinal analysis of generic substitution  |
| Authors: | | Dalen, Dag Morten Locatelli, Marilena Strøm, Steinar |
| Issue Date: | | 2010 |
| Series/Report no.: | | CESifo working paper: Industrial Organisation 3176 |
| Abstract: | | Using an extensive longitudinal dataset extracted from the Norwegian Prescription Database (NorPD) containing all prescriptions written in the period January 2004 to June 2007, we selected two particular drugs (chemical substances) used against cholesterol. The two brand-name products on the Norwegian markets were Provachol (atc code C10AA03) and Zocor (atc code C10AA01). The generics are Provastatine and Simastatine. The model accounts for taste persistence and is estimated on panel data. We find that prices have a negative impact on transitions in the sense that an increase in the brand price will reduce the transition from generics to brand and likewise an increase in the generic price will reduce the transition from brand to generics. |
| Subjects: | | generics substitution microdata random utility model longitudinal data |
| JEL: | | C35 I18 L65 |
| Document Type: | | Working Paper |
| Appears in Collections: | | CESifo Working Papers, CESifo Group Munich
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