Global public goods pose great risks, especially when the lack of these goods may have devastating consequences. Climate protection is such a good and it faces a triple dilemma: the so-called Westphalian dilemma of sovereign nation states, a weakest-link dilemma as the success of climate...

The paper proposes an agreement structure that extends Nordhaus's (2015) climate club by adding a second tier. Countries outside the coalition are required to price carbon at a fixed fraction of the average carbon price adopted within the coalition, or face tariffs. Coalition countries abate...

Climate clubs, namely subgroups of countries implementing more ambitious and effective climate policies than others, may be the only practical approach to address the lack of incentives to reduce GHG emissions on the part of most, if not all, countries. In climate clubs, incentives to undertake...

The EU steps up its efforts to curb its territorial CO2-emissions. It is planning to introduce a carbon border adjustment mechanism (CBAM) to level the playing field and to raise own resources. However, unilateral European climate policy action, whether shored up with a CBAM or not, can only...