Traditionally, students of economics have often been told that it is a non-experimental science. Using a quantitative and qualitative analysis of introductory economics textbooks, we track the historical evolution of this rhetoric from 1970 to the present day. We find that anti-experimental...

According to the Framework Convention on Climate Change, global collective action is needed to stabilize "greenhouse gas concentrations in the atmosphere at a level that would prevent dangerous [our emphasis] anthropogenic interference with the climate system." The Framework Convention thus...

Previous research shows that collective action to avoid a catastrophic threshold, such as a climate "tipping point", is unaffected by uncertainty about the impact of crossing the threshold but that collective action collapses if the location of the threshold is uncertain. Theory suggests that...