The well known economic advantage of tradable permits over command and control obviously vanishes if firms do not trade because of regulatory uncertainty. In fact, uncertainty about political decision changes in the permits program could make firms reluctant to participate in tradable permits...

In this article, we challenge the common thought that a liquid annuity contract is optimal. We indeed show, in a standard neoclassical framework, that another contract, which actually resembles much more to the contracts that are proposed by most insurance companies, may be preferred by rational...