Water affects the economy of a country in many respects. Rivers and streams are used for transportation, acid rain leads to forest damages and health problems caused by water pollution not only reduce the quality of life but also entail economic costs (just to mention a few examples). Mainly...

The contribution of biofuels to save greenhouse gas emissions has been challenged over the last years. A still unresolved question is how to quantify emissions from indirect land use change (iLUC). In this article we discuss the implications of uncertainties on the current policy proposals in...

Zusammenfassung In diesem Artikel wird ein Überblick über neuere Entwicklungen bei empirischen allgemeinen Gleichgewichtsmodellen (EAG) gegeben, wobei walrasianische Modelle weitgehend ohne makroökonomische Aspekte im Vordergrund stehen. Zunächst wird eine typische EAG-Modellstruktur...

This paper discusses environmental policies which aim at a sustainable use of domestic resources which are mobile. It assumes that one country introduces such a policy but the other country does not. If a resource is mobile, strict domestic environmental policies may increase the resource...

This paper investigates the intergenerational allocation of a non-renewable resource within an overlapping generations model. Sustainability is defined as a nondecreasing total value of the capital and resource stock. Without forced intergenerational transfers or sufficiently high bequest...