This paper draws and expands from a recent ex-post evaluation carried out for the European Commission aimed at assessing the long term effects produced by a sample of ten major infrastructures in the Transport and Environment sectors and interpreting the key determinants of the observed...

The advantages and disadvantages of genetic modification of organisms in agriculture are reviewed. These relate to the environment, human health, socio-economic effects, population growth, and differential consequences for developed and developing countries. An overall evaluation requires that...

This paper presents the basic principles of the EU approach to cost-benefit analysis (CBA) of infrastructure projects, as embodied in the recently issued CBA Guide. After an introduction about the objectives and instruments of the 2007-2013 EU Cohesion Policy, and in particular the legal...

Unreliable travel times cause substantial costs to travelers. Nevertheless, they are not taken into account in many cost-benefit-analyses (CBA), or only in very rough ways. This paper aims at providing simple rules on how variability can be predicted, based on travel time data from Dutch...

Wetlands all over the world have been lost or are threatened in spite of various international agreements and national policies. This is caused by: (1) the public nature of many wetlands products and services; (2) user externalities imposed on other stakeholders; and (3) policy intervention...