How many instruments should be used to address a particular environmental problem? That is the question this article addresses. According to the "Tinbergen rule," one instrument per target is needed. The existence of any non-environmental market failures affecting the environmental problem at...

Biofuels are increasingly regarded as energy sources with the potential to solve diverse problems related to serious concerns, including climate change, environmental degradation, energy supply, and energy security. Here we examine biofuels, primarily biofuels used for transportation (e.g.,...

This paper looks at how contemporary environmental (including climate) policy problems are phrased in terms of effectiveness, efficiency, and equity. The latter three concepts have served as foci of theoretical discussions among economists who analyse these issues and identify criteria that...

This paper reviews the theoretical and empirical literature connected to the so-called Porter hypothesis; that is, it reviews the literature connected to the relation between environmental policy and competitiveness. According to the conventional wisdom environmental policy, aiming for improving...