This paper analyzes the formation of self-enforcing climate agreements, or stable climate coalitions, when all countries have the option to fight climate change by purchasing (the right to extract) fossil-energy deposits. First, we consider the stand-alone deposit purchase policy and then...

In the world economy with interdependent markets for fossil fuel and deposits, some coalition of countries fights climate change by purchasing and preserving fossil fuel deposits, which would be exploited otherwise. If the coalition’s policy parameters are the demand and supply of deposits...

In Harstadś (2012) model, climate damage only hits one group of countries, called the coalition, and the coalitionś climate policy consists of capping own fuel demand and supply combined with the purchase of fossil fuel deposits for preservation. Harstadś Theorem 1 states that if the deposit...