Efficiency, Equity, and Cost-Recovery Trade-Offs in Municipal Water Pricing

Casey Wichman

No 24-18, RFF Working Paper Series from Resources for the Future

Abstract: Municipal water utilities choose rates to recover costs, encourage conservation, and reduce burdens on low-income customers, which may deviate from optimal two-part tariffs. Theory suggests that prices should equal marginal cost with fixed costs recovered via fixed fees or alternative tax revenues. Using rate structure and municipal finance data for more than 700 utilities, I show that prices are discounted severely for low levels of consumption within nonlinear rate structures, leading to suboptimal usage and budget deficits, particularly in poorer and smaller communities. Marginal-cost pricing corrects allocative inefficiencies, and equity and cost-recovery goals can be achieved through more progressive approaches to fixed costs, which are both highly regressive and a large share of total costs.Key Words: water pricing; utility management; natural monopolies; two-part tariffs; nonlinear pricing; affordability; municipal finance.JEL codes: D12, H23, L95, Q25

Date: 2024-10-15
New Economics Papers: this item is included in nep-agr, nep-env and nep-reg
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