We consider how one party can induce another party to join an international emission compact given private information. Due to multilateral externalities the principal uses her own emissions besides subsidies to incentivize the agent. This leads to a number of non-standard features: Optimal...

Countries often have private information about their willingness to pay for protecting the climate system and their cost of emission reductions. We use a principal-agent model to re-examine the economic case for unilateral action by individual countries, in our case of the principal. We find...

With ideological parties being better informed about the state of the world than voters, the true motivation of policy proposals is hard to judge for the electorate. However, if reform proposals have to be agreed upon by coalition parties, it may become possible for the government to signal to...