In the last two decades, large scale CGE models used for environmental policy assessment underwent an important upgrade to integrate endogenous technological progress. Nevertheless, several complexities of innovation are still neglected even if they are of primary interest for policymakers. This...

Policymakers aiming for the unilateral regulation of transboundary pollutants, such as greenhouse gases, fear as a consequence rising emissions in non-regulating countries. This so-called pollution haven or carbon leakage effect is of particular concern in emission-intensive and trade-exposed...