4 Follow Us on Social Media Contact Us (852) 3469 2721 ppolpr@ust.hk The Hong Kong University of Science and Technology c/o Division of Public Policy (PPOL) Room 4611, Academic Building, Clear Water Bay, Kowloon, Hong Kong Masaru Yarime is an Associate Professor at the Division of Public Policy and the Division of Environment and Sustainability and Co-Director of the AI Ethics and Governance Lab at HKUST. He also holds appointments as an Honorary Associate Professor in the Department of Science, Technology, Engineering, and Public Policy at University College London and as a Visiting Associate Professor in the Graduate School of Environmental Studies at Tohoku University. He is interested in exploring datadriven innovation to address sustainability challenges and implications for public policy and governance. He serves on the editorial board of Sustainability Science, Environmental Science and Policy, Data & Policy, and Frontiers in Sustainable Cities (Innovation and Governance). He received a B.Eng. in Chemical Engineering from the University of Tokyo, an M.S. in Chemical Engineering from the California Institute of Technology, and a Ph.D. in Economics and Policy Studies of Innovation and Technological Change from Maastricht University. Main Reference Gebhardt, S., Hou, Y., & Yarime, M. (2026). Directing environmental innovation toward radical clean technologies for sustainable transitions: Market-based vs. commandand-control policies. Research Policy, 55, 105446. https://doi.org/10.1016/j.respol.2026.105446 Sebastian Gebhardt is a PhD Candidate in Innovation, Policy & Entrepreneurship (IPE). His main interest is how technologies can improve human well-being around the globe. He has a background in Mechanical Engineering, with studies at TH Ingolstadt and Seoul National University of Science and Technology, and holds a master’s degree in Technology Management from National Taiwan University of Science and Technology. His research is situated in innovation studies, with a particular focus on environmental innovation and the diffusion of innovation across borders. He primarily uses large-scale patent, firm-level and text data, drawing on quantitative methods as well as natural language processing and machine learning techniques to examine how institutions, firms, and inventors shape the direction and global spread of new technologies. Dr. Yun HOU is an assistant professor at the IPE Thrust, HKUST(GZ). She is interested in researching and teaching innovation and entrepreneurship. She got her Ph.D. degree at the Department of Strategy and Policy, NUS Business School, and her Bachelors’ and master’s in economics from Peking University. Her main research area is innovation and entrepreneurship. On one hand, she studies the effects of the institutional environment on innovation and technology strategies. On the other hand, her research focuses on resource mobilization and strategic decision-making of entrepreneurs. She primarily utilizes field experiments to collect and analyze first-hand data on the entrepreneurial process. Directing environmental innovation toward radical clean technologies for sustainable transitions: Market-based vs. command-and-control policies Public Policy BULLETIN
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