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ABSTRACT
A dynamic network data envelopment analysis (DEA) model is employed for measuring the innovation efficiency of the Chinese pharmaceutical industry. The results show that the reason for innovation inefficiency in the Chinese pharmaceutical manufacturing industry is the inefficiency of pure technology and scale, but pure technical inefficiency plays the main role. The contribution of knowledge innovation to innovation efficiency in the pharmaceutical industry is greater than that of commercialization.
Notes
1 The construction method of R & D expenditure price index refers to Chen Jianli et al. R&D expenditure price index = 0.75 producer price index + 0.25 consumer price index.
Additional information
Funding
This work was supported by the Humanities and Social Science Research Fund of Ministry of Education of the People’s Republic of China, Grant No. [16YJA790033].