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OBJECTIVE：To study the influential factors for green innovation in pharmaceutical enterprises based on grounded theory so as to provide reference for pharmaceutical enterprises to enhance their green innovation ability and the government to issue relevant green policies. METHODS ：The grounded theory research methods were used to select enterprise samples and follow-up research. Firstly ，56 staffs from 22 sample enterprises （all were pharmaceutical companies ）were interviewed in depth one-on-one and face-to-face on issues related to the influential factors for green innovation. Then ，open coding ，spindle coding and selective coding were carried out on the conversation record data ，and conduct theoretical saturation testing was conducted. Finally ， the influential factor model of green innovation in pharmaceutical enterprises was constructed ，and its main influential factors were analyzed. RESULTS & CONCLUSIONS ：The government demand ，social demand ，industry demand ，green innovation ability ， environmental awareness of leaders and overall vision of leaders have significant influence on the green innovation of pharmaceutical enterprises. Among them ，leadership decision （including leaders ’environmental awareness and leadership pattern ） is the internal decisive factor ，green innovation ability （including green innovation investment capacity ，green innovation research and development capacity ，green innovation transformation capacity and green innovation production capacity ）is the internal driving factor ，social system （including government needs ，social needs and industry needs ）is the external factor ；they are the main factors affecting the green innovation of pharmaceutical enterprises ，and they all have a positive effect on the green innovation of pharmaceutical companies.
RESUMO
RESUMO O estudo analisa casos de empresas multinacionais em diferentes setores: bens de consumo, sucroenergético, químico, e transportes. A principal contribuição da pesquisa é focada na discussão em como diferentes instrumentos de políticas públicas e ambientes institucionais direcionam projetos de ecoinovação em empresas, contribuindo para o desenvolvimento de uma economia de baixo carbono.
ABSTRACT This study analyzes cases of multinationals companies in different sectors: consumer goods, energy and sugarcane, chemical and transportation. Its main contribution is focused on how different public policy instruments and institutional environments are driving eco-innovation projects in companies, contributing to the development of a low-carbon economy.