Does the identity of the third-party payer matter for prescribing doctors?
Journal article, Peer reviewed
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- Scientific articles 
Original versionApplied Economics and Finance, 1(2014)1: 39-54 10.11114/aef.v1i1.324
TNF-alpha inhibitors represent one of the most important areas of biopharmaceuticals by sales, with threeblockbusters accounting for 8 per cent of total pharmaceutical sale in Norway. Novelty of the paper is to examine, with the use of a unique natural policy experiment in Norway, to what extent the price responsiveness of prescription choices is affected when the identity of the third-party payer changes. The three dominating drugs in this market, Enbrel, Remicade, and Humira, are substitutes, but have had different and varying funding schemes -hospitals and the national insurance plan. A stochastic structural model for the three drugs, covering demand and price setting, is estimated in a joint maximum likelihood approach. We find that doctors are more responsive when the costs are covered by the hospitals compared to when costs are covered by national insurance
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