Scale economies of pharmaceutical and blockbuster R&D in Japan with possible endogeneity and dynamics | Zendy

Atsushi Fujii | Zendy; Tetsuya Miyashige | Zendy

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Scale economies of pharmaceutical and blockbuster R&D in Japan with possible endogeneity and dynamics

Author(s) -

Atsushi Fujii,

Tetsuya Miyashige

Publication year - 2011

Publication title -

chan, f., marinova, d. and anderssen, r.s. (eds) modsim2011, 19th international congress on modelling and simulation.

Language(s) - English

Resource type - Conference proceedings

DOI - 10.36334/modsim.2011.d3.fujii

Subject(s) - endogeneity , scale (ratio) , economics , economies of scale , dynamics (music) , econometrics , microeconomics , geography , sociology , pedagogy , cartography

This paper presents analysis of scale economies of R&D efforts at the Japanese pharmaceutical companies, focusing on the blockbuster outputs with linear feedback mechanism. Comparing results of GMM estimation with previous studies implies: (i) The blockbuster development sub-process exhibits greater scale effect than in EU and US companies; (ii) The survival rate of blockbuster is a little higher in Japanese companies than in EU/US companies; (iii) The quantitative connection between patent research sub-process and blockbuster development sub-process is not significant.

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