Zum Innovationsanreiz umweltpolitischer Instrumente: Rehabilitierung der Auflagenpolitik?
Standard analysis of the economics of environmental policy usually claims that emissions taxes induce a stronger incentive for an improvement in pollution abatement technologies than emission standards. In contrast, recent empirical studies within this field reveal that there is no systematic relationship between improvements in pollution abatement technologies and the policy instrument chosen. The present paper tries to clarify this contradiction. In the first step the paper shows that the standard model of innovation in pollution control under different policy regimes is deficient in at least two ways: It neglects policy impacts on the firms’ output level and it assumes a fairly unrealistic type of emission standard. In the second step the paper presents a model which tries to overcome these shortcomings. Using this model it is shown that the impact on innovation in pollution control caused by taxes and standards strongly depends on the scale of technical progress as well as on the cost structure of the firm under consideration such that there is no unique ranking of the two policies. Finally, the paper discusses the policy implications of these findings.
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- Requate, Till, 1998. "Incentives to innovate under emission taxes and tradeable permits," European Journal of Political Economy, Elsevier, vol. 14(1), pages 139-165, February.
- Milliman, Scott R. & Prince, Raymond, 1989. "Firm incentives to promote technological change in pollution control," Journal of Environmental Economics and Management, Elsevier, vol. 17(3), pages 247-265, November.
- Downing, Paul B. & White, Lawrence J., 1986. "Innovation in pollution control," Journal of Environmental Economics and Management, Elsevier, vol. 13(1), pages 18-29, March.
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