Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/46569
Authors: 
Dalen, Dag Morten
Locatelli, Marilena
Strøm, Steinar
Year of Publication: 
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

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