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Cost-effectiveness of environmental measures

Kosteneffectiviteit van milieumaatregelen


The main aims of this study were to describe the method for calculating the cost-effectiveness of environmental measures, including the determination of the sensitivity on some of the parameters used for the cost-effectiveness calculations, and to gather and store information on the costs and effects of environmental measures. Defined in this study as the costs per unit avoided emission, the cost-effectiveness is relatively high when the costs per unit are low. To calculate cost-effectiveness a calculating model and database built in Excel were used. The total emission reduction of the package of measures analysed in this study is approximately 9 billion acid equivalents in 2020 compared to 1995. The average cost-effectiveness of this emission reduction is about 200 Euro per 1000 acid equivalents. Measures applied to traffic contribute half of the total emission reduction, contrasted the highest average costs for this group. However, these traffic measures also reduce VOC, fine particles and carbon monoxide. Measures taken by industry are contrasted to the lowest average costs, amounting to a quarter of the total emission reduction in 2020. Halving or doubling the interest rate or depreciation period leads to a considerable change in costs, but hardly influences the sequence of measures on the cost-effectiveness curve for NOx. Comparison of volume measures with technical measures based on only direct costs has limited value. The indirect costs and benefits appear to have more influence on volume measures.

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