A proposal has been made to build a new tunnel under the Scheldt River near the centre of Antwerp in order to relieve traffic congestion on the ring road and in an existing tunnel. The new tunnel is expected to cost more than €1 billion, and tolls have been suggested to help finance...

The paper studies a regional environmental tax reform in a federal state. In a model with immobile labour, mobile capital and mobile polluting input in the production function, one region increases its pollution taxes and recycles the excess tax revenues by lowering either pre-existing...

In this paper, we explore energy efficiency policies in the presence of a global environmental problem and international cost interdependency associated with R&D activities. We develop a simple model with two regions where the cost of an appliance in one region depends upon the level of energy...

In this paper we develop a methodology to select a combination of forest sites that maximizes net social benefits taking into account restrictions on the total surface/size of new forest land. We use GIS technology to estimate for each site the major cost and benefit elements including lost...