An important question is whether VAT exemption of financial services is a desirable property or whether it is justified only due to practical and administrative necessity. This paper singles out a number of financial services for discussion of this issue in a context allowing for other taxes and...

Should we exempt the services of insurance companies from VAT? Addressing this issue, the paper distinguishes between insurance against a general loss of resources and a loss of a specific commodity (property insurance). There is a case for exempting the former kind of insurance, but not the...

The marginal cost of public funds is usually seen as a number greater than one, reflecting the efficiency cost of distortionary taxes. But economic intuition suggests that since green taxes are efficiency-enhancing the MCF with such taxes will be less than one. The paper demonstrates that this...

We consider environmental regulation in a context where firms invest in abatement technology under conditions of uncertainty about subsequent abatement cost, but can subsequently adjust output in the light of true marginal abatement cost. Where an emission tax is the only available instrument,...

Much of the literature on externalities has considered taxes and direct regulation as alternative policy instruments. Both instruments may in practice be imperfect, reflecting informational deficiencies and other limitations. We analyse the use of taxes and regulation in combination, to control...

Non-linear income taxes and linear commodity taxes are analysed when people differ with respect to ability, high-skilled agents have heterogeneous preferences, and neither individual abilities nor preferences are observable. The paper highlights how informational constraints may motivate...

A strong case for public provision of certain private goods has been established for an economy in which individuals have homogeneous preferences but differ in skill levels. There has been a critique of this model/mechanism arguing that heterogeneous preferences at a given skill level would...

When a poublic good ist excludable it is possible to charge individuals for using the good. We study the role of prices onexcludable public goods using an extension of the Stiglitz-Sternversion of the Mirrlees optimal income tax model. Our discussionincludes both the case where the public good...