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My main research interests are comparative public opinion on climate policies, quantitative text analysis in survey research and evidence-based evaluations of cap-and-trade and other CO₂ pricing mechanisms. My public opinion research using quantitative text analysis and public opinion surveys has been published in journals such as , and . I rely primarily on survey questions and survey experiments run by my team on the Norwegian Citizen Panel, a probability-sample online infrastructure for collecting people's views on current matters. I have also used data from other opinion surveys and countries in my publications, including and . Using more traditional survey questions, I find that people working in the fossil fuel industry are but are as likely as everybody else to support policies with lower costs.

My second stream of research involves the political origins, practical operations and effects of cap-and-trade systems and other forms of emission pricing. One of my key findings is that systems with emission caps often experience , which in turn leads to lower permit prices and public criticism, but which also implies that greater cuts are possible at a reasonable price. At the same time, my co-author (MIT) and I find that taxes on emissions rarely lead to absolute emission reductions, which means that additional instruments are needed if deep decarbonization is the goal. We summarize our argument in the article "," which was cited in the .

From February 2020 to February 2022 I served as . From 2018 until 2020 I served as a member of the . Since 2016 I have served on the Editorial Board of the Nature journal , organizing reviews and evaluating data descriptors, and with the overall aim of making the current wealth of research data in the world more available for replication and new analysis. I am furthermore coordinator of the Climate Change and Environment research group of the alongside Gisela Böhm (Psychology, University of Bergen).

In my previous position at , I analyzed emission trading and climate policies in Europe and internationally, writing subscription-based and consultancy reports, maintaining emission data sets and communicating with customers. This work gave me ideas for research topics for later publications, networks in industry and government, and experience in communicating with non-scientific audiences. I also gained experience running large surveys, which I have built on in my current public opinion work.

Featured publications:

Tvinnereim E and Fløttum K. (2015) "." Nature Climate Change 5: 744–747.

Tvinnereim E and Ivarsflaten E. (2016) ". Energy Policy 96: 364-371 (17 citations).

Mehling, M. and Tvinnereim, E. (2018) "." Carbon and Climate Law Review, 12 (1). pp. 50-61. (Article cited in the .)

Link to my and my profile on .

2020-2025    . Horizon 2020. Lead: David Keller, Geomar, Kiel. (Norwegian presentation )

2020-2024    (CINTRAN). Horizon 2020. Lead: Lukas Hermwille, Wuppertal Institute.

2019-2022     (PERCCSEPTIONS)

2017-2020    . Work package leader. An interdisciplinary project on ecosystem and societal effects of afforestation, using innovative survey experiments informed by in-house biogeochemistry results. Funder: Research Council Norway (RCN).

2017-2020    . Work package leader. My role is to analyse historical cases of decline in energy industries including societal effects. Funder: RCN.

2016-2019    . Project coordinator. Survey experiments on perceptions of energy transitions using open-ended questions and quantitative text analysis.  Funder: Akademia agreement ºÚÁϳԹÏ×ÊÔ´-Statoil.