They summarize the results of two national polls, in 2014 and 2016, that they administered (together with a third colleague; here we’re omitting some details of the way the experiments were carried out). Important conclusions they present include:
A similar proposal has just been introduced in Congress by Republican Representative Carlos Curbelo. The carbon fee is US$24/metric ton of carbon dioxide emitted, increasing with time. The difference is that this proposal is not revenue-neutral, but uses the proceeds for highway construction, climate research and support to low income households.
The social psychology results described above are likely not outliers in public attitudes on climate change. The Yale Program on Climate Change Communication (working with George Mason University‘s Center for Climate Change Communication, and other research organizations) has been surveying American public opinion on this subject for many years. In a report on May 8, 2018 they found:
Tribalistic outlooks separating Republicans and Democrats concerning global warming and its effects may be resolving, in favor of collective action to address the issue. It is indeed critical to embark on meaningful policies at the federal level as soon as possible, in order to minimize the continuing rise in the global average temperature. Popular attitudes and Congressional approaches are coalescing to promote political action.