The EU has embarked on multiple initiatives reflecting its commitment to environmental enhancement and sustainable transitions. Notable among these are the European Green Deal and the NextGenerationEU recovery plan, both pivotal in fostering eco-friendly policies and sustainable practices within...

The paper provides necessary and sufficient conditions for aggregation of heterogeneous individuals in dynamic economies, when individuals differ in abilities as well as in capital endowments, and when there are distortionary taxes. The aggregation theorems imply that the competitive equilibrium...

We show that when individuals can save (accumulate capital), they all eventually become public-good contributors. In steady state, larger economies have more contributors. If the public good is normal, then its quantity increases in population size in the open-loop equilibrium, but not...

The purpose of this paper is to show how differences in individuals’ labour productivities cause differences in their accumulation of capital, and thereby analysing the evolution of the income distribution. There are three cases of interest: (i) the high productive accumulate relatively...

This paper explores the relationship between environmental protection and international capital movements, when tax policy is endogenous (through voting). A two-period general equilibrium model of a small open economy is specified to compare the effects of two different constitutions (commitment...