In this survey of some central issues of tax and expenditure policy in an open economy, the authors consider the implications for policy of free--although not necessarily perfect--international mobility of commodities, capital, and labor. They examine the issues both from a positive and a...

This paper analyses how governments should tax labour income accruing to a group of highly skilled and geographically mobile individuals who divide their time or career between several jurisdictions. The analysis differs from previous models on migration and taxation by addressing optimal...

We show how an upstream firm, by using a price-dependent profit-sharing rule, can prevent destructive competition between downstream firms that produce relatively close substitutes. With this rule, the upstream firm induces the retailers to behave as if demand has become less price elastic. As a...

According to the new European telecom regulation, incumbent operators are required to provide access to such bottlenecks on fair, reasonable and non-discriminatory terms. We explore different interpretations of this general rule in a model in which the bottleneck can be used by external (to the...

When a public good is excludable it is possible to charge individuals for using the good. We study the role of prices on excludable public goods within an extension of the Stern-Stiglitz version of the Mirrlees optimal income tax model. Our discussion includes both the case where the public good...

A large share of public funds is spent on private goods (education, health care, day care, etc.). This paper integrates two different approaches to the analysis of public provision of private goods. While normative public economies has established an efficiency case for such provision, the...

This paper studies a very pure form of "vote purchasing". We consider whether it may be in the interest of a party to discriminate between groups th at, possibly except for size, are identical in all welfare relevant aspec ts, i.e. the groups are assumed to have the same income, needs, etc. To...