Antoñanzas, Fernando; Juárez-Castelló, Carmelo; … - In: SERIEs - Journal of the Spanish Economic Association 2 (2011) 1, pp. 75-95
-line extension (an upgrade through innovation) before it faces generic competition. There are two types of physicians: loyal … physicians always prescribe first the product-line extension and then either the off-patent drug or a generic drug while the non … innovation, the incumbent firm competes for the price-sensitive physicians. However, for low levels of innovation, the incumbent …