"The discussion on ‘The comparative institutional analysis of energy transitions' gives us a state-of-the-art overview of the main theoretical and conceptual developments within the field of political economy. It invites us to broaden our knowledge on the changing realities of different geographical regions in energy transition. In this discussion forum, Finnegan discusses emerging themes in the comparative political economy literature of climate change. He identifies gaps and offers an outline for further research. Allen, Allen, Cumming and Johan take a closer look at the links between different types of capitalism and the natural environment. The authors stress the importance of adopting an institutional perspective to explain differences in environmental outcomes. Wood compares the transitions of energy usage and mixes between liberal and coordinated market economies from a historical perspective. He looks for parallels between the energy transition from coal to oil and gas to the current renewables. Nicklich and Endo answer the question ‘Do globalization and globally perceived occurrences of environmental problems lead to a convergence of energy supply?'. They compare the fields of German and Japanese wind power with a particular focus on Greenpeace after the Fukushima disaster in 2011. Finally, Lim and Tanaka focus on the question ‘When do energy transition policies enjoy broad-based acceptance?'. They conclude that the public acceptance of energy transition varies between Western and non-Western societies."

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