Closer international integration is putting increasing pressure on existing national tax structures. this paper uses a simple two-country model to address a range of policy concerns that consequently arise, focusing particularly on the role of national size. Differences in size exacerbate the...

This paper compares ad valorem and specific taxation in two models of oligopoly, with and without free entry. Predominantly ad valorem taxation implies a relative low consumer price, high tax revenue and (when entry is precluded) low profits. Ad valorem taxation dominates specific from the...

Using the self-selection approach to tax analysis, this paper derives a modified Samuelson Rule for the provision of public goods when the government deploys an optimal non-linear income tax. This approach gives a straightforward interpretation of the central result in this area, generalizes it...

Evasion and time inconsistency have been prominent concerns in recent discussions capital income taxation, both theoretical and applied. This paper establishes a link between them, suggesting a potentially useful role for evasion additional to those previously identified: by committing to...

This paper investigates the efficiency argument for a vertical fiscal gap in a federation using a simple model of a central government and several identical states. Each level provides a public good to residents within its jurisdiction and finances it by taxing labour income and rents. If labour...

This paper, prepared for the Handbook of Income Distribution (edited by A.B. Atkinson and F. Bourguignon), reviews some of the central issues that arise in thinking about the motives for, politics of, constraints on and measurement of, redistribution. Amongst the themes are: the potential...

We study the efficiency of credit market equilibria when financial intermediaries cannot observe the riskiness or the returns of potential investment projects. With loan financing, there is over-investment in high-return, high-risk projects and under-investment in low-return, low-risk projects...

This paper explores the role of trade instruments in globally efficient climate policies, focusing on the central issue of whether border tax adjustment (BTA) is warranted when carbon prices differ internationally. It shows that tariff policy has a role in easing crosscountry distributional...

This paper explores the causes and consequences of the remarkable rise of the value added tax (VAT), asking what has shaped its adoption and, in particular, whether it has proved an especially effective form of taxation. It is first shown that a tax innovation, such as the introduction of a VAT,...

Border Carbon Adjustment Mechanisms (BCAMs) are becoming reality in the EU and elsewhere, and recur—in very different form—in U.S. legislative proposals. But they remain contentious, with features and differences that leave the underlying welfare rationale and implications unclear. Exploring...