We analyze the properties of progressive water tariffs that are often applied in the sector in the form of discretely increasing block tariffs (IBT). We are particularly interested in water tarification in a poverty context where a subsistence level of water has to be allocated to each...

The paper shows how commodity taxes can provide insurance to consumers when the producer price is volatile. Specific and ad valorem taxes have differing roles. The optimal specific tax is positive when demand has some elasticity. The optimal ad valorem rate is zero when demand is unit-elastic,...

Various economic literatures address the question whether first-best prescriptions for government policy require modification because redistributive income taxation distorts labor supply and cannot achieve the distributive ideal. Perhaps second-best rules for public goods provision, corrective...

This Comment evaluates four recent proposals to reform tax laws affecting the financial industry. After introducing the proposals, the author provides a theoretical framework for evaluating them and then relies on this framework to explore the benefits and drawbacks of each. Ultimately, the...

Taxing food and soft drinks in the name of obesity is not a new idea. Dozens of jurisdictions have experimented with such taxes over the years, allowing economists to study their impact. The results have consistently showed the following: demand for sugary drinks, snacks and fatty foods is...

This Handbook entry presents a conceptual, normative overview of the subject of taxation. It emphasizes the relationships among the main functions of taxation—notably, raising revenue, redistributing income, and correcting externalities—and the mapping between these functions and various...

Given its significance in practice, piecewise linear taxation has received relatively littleattention in the literature. This paper offers a simple and transparent analysis of its maincharacteristics. We fully characterize optimal tax parameters for the cases in which budgetsets are convex and...

Probably the most enduring result in the theory of optimum income taxation is that,for a sufficiently thin upper tail to the skill distribution, the marginal tax rate shouldfall rather than rise with income. This paper shows that this result is highly sensitiveto a very strong informational...

By inverting Saez (2002)’s model of optimal income taxation, we characterize theredistributive preferences of the Irish government between 1987 and 2005. The (marginal)social welfare function revealed by this approach is consistently comparable over time andshow great stability despite...

This paper characterizes optimal income taxation when individuals respond along both theintensive and extensive margins. Individuals are heterogeneous across two dimensions:specifically, their skill and disutility of participation. Preferences over consumption and workeffort can differ with...