A Survey of Current Issues
- New Horizons in Environmental Economics series
Edited by Tom Tietenberg and Henk Folmer
Chapter 1: The Incidence of Pollution Control Policies
1. The incidence of pollution control policies* Ian W.H. Parry, Hilary Sigman, Margaret Walls and Roberton C. Williams III 1. INTRODUCTION Economic evaluations of pollution control policies have traditionally focused on pure eﬃciency eﬀects – either a comparison of their economic costs and environmental beneﬁts, or a comparison of their costs relative to those of alternative control policies (e.g., Cropper and Oates 1992, Morgenstern 1997, Hahn 2005). However, the distribution of policy costs and beneﬁts across households and ﬁrms is receiving increasing attention among researchers and policymakers.1 One reason is concern about whether a policy is ‘fair’ or not. Another is political feasibility – a policy justiﬁable on eﬃciency grounds may be impractical if it imposes a disproportionate burden on a politically inﬂuential group. Often the two are critically related; for example, political opposition to higher fuel taxes, carbon taxes, or other emissions taxes in the USA is frequently based on the claim that such taxes fall most heavily on low-income groups. The purpose of this chapter is to summarize what is actually known, and not known, about the incidence of beneﬁts and costs from pollution taxes, and alternative emissions control measures, across household income groups. Distributional issues have many diverse dimensions and we omit a number of topics, some of which have been comprehensively reviewed elsewhere. We do not discuss racial incidence. Evidence on this is discussed in Hamilton (2005); the main ﬁnding is that, in addition to income, other factors such as...
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