In with the new: the determinants of prescribing innovation by general practitioners in Ireland
- Document type
- Working Paper
- Bourke, Jane; Roper, Stephen
- Warwick Business School
- Date of publication
- 1 September 2010
- Warwick Business School’s Small and Medium Sized Enterprise Centre Working Papers
- Small business & enterprise: the practicalities of running a small business and the theory of entrepreneurship, Trends: economic, social and technology trends affecting business
- Business and management
- Material type
This paper explores the factors which shape the timing of the first prescription of six new drugs by General Practitioners (GPs) in Ireland. An important element of the process by which new drugs achieve widespread use is their adoption by GPs. The analysis is based on a dataset which matches prescription data with data on GP characteristics. It then uses duration analysis to explore both equilibrium and non-equilibrium determinants of prescribing innovation. The study highlights a range of commonalities across all of the drugs considered, and suggests the importance of GP and practice characteristics in shaping prescribing decisions. It also finds strongly significant, and consistently signed, stock and order effects across all of the six drugs: GPs who have a track record of early adoption tend also to be early adopters of other new drugs; and, the larger the proportion of GPs which have already adopted a new drug the slower is subsequent adoption. Epidemic or learning effects are also evident with slower adoption by rural practices and among those GPs with narrower prescribing portfolios.
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