Adjusting green public support programmes to green premiums can reduce public spending, yet this is challenged by uncertainty. Underfunding green technologies can delay the green transition, and overfunding them can increase transition costs. Both risks of under- and overfunding can be reduced using responsive adjustments.
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Data availability
Source data, code and the complete list of references for Fig. 1 are available under an open-source license (MIT) on Zenodo https://doi.org/10.5281/zenodo.7848415 (ref. 15).
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Acknowledgements
Ideas reflected in this article were discussed with colleagues and draw on previous work under multiple projects. Funding of J.C.R. for supportive underlying analysis is gratefully acknowledged under research grant 29.4293 from the German Federal Ministry for Economic Affairs and Climate Action. We thank P. Stein for research assistance. Furthermore, we thank A. Lederer for English proofreading of the final version. We also used Grammarly, DeepL Write and ChatGPT for English proofreading of earlier versions.
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All authors contributed extensively to the work presented in this Comment. T.K. wrote the main text and created the figures. O.C., T.K., M.K., O.L., K.N., J.C.R. and X.S. were involved in conceptual discussions on the Comment and reviewed and commented on the manuscript at all stages.
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Köveker, T., Chiappinelli, O., Kröger, M. et al. Green premiums are a challenge and an opportunity for climate policy design. Nat. Clim. Chang. 13, 592–595 (2023). https://doi.org/10.1038/s41558-023-01689-2
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DOI: https://doi.org/10.1038/s41558-023-01689-2
