This paper exploits a quasi-experiment to value the benefits of reducing urban traffic externalities. As a source of exogenous variation we use the opening of a new bypass in The Hague, the Netherlands, that reduced traffic on a number of local streets, leaving others unaffected. We calculate...

Optimal dike heights are of crucial importance to the Netherlands as almost 60% of its surface is under threat of flooding from sea, lakes, or rivers. This area is protected by more than 3,500 kilometres of dunes and dikes. These dunes and dikes require substantial yearly investments of more...

Under the Kyoto Protocol, a group of countries commit themselves to reduce the emissions of greenhouse gases to some 5% below the 1990 level. Countries can decide to spread their reduction commitment over several gases to lower compliance costs. Employing a multi-gas strategy can offer...