The balance between specific and ad valorem taxation

A recurring issue in indirect tax design — most obviously, but not only, for goods traditionally subject to heavy excises — is the appropriate balance between specific and ad valorem taxation. Recent work has developed new perspectives on the issue, which is also one of the oldest in the formal study of public finance. This paper provides a broadly non-technical account of the central considerations that arise in choosing the balance between specific and ad valorem taxation, reviewing and somewhat extending the lessons of theory and experience. There emerge clear presumptions as to the relative effects of the two kinds of tax on such attributes as price, profits, product quality and variety. But the socially optimal balance between them is likely to be quite sensitive to the characteristics of the market at issue.

Peculiar institutions: A British perspective on tax policy in the United States

By both effect and example, tax policy in the United States has a huge impact on the rest of the world. This paper explores five features of the American tax system that seem, from a British and European perspective, to be both especially peculiar and potentially instructive. These are: the remarkably low overall level of taxation; the absence of a value added tax (or any other general national tax on consumption); the absence of any explicit interstate equalisation; the marginal subsidisation of low earnings under the Earned Income Tax Credit; and the fragmentation of power in policymaking, an important aspect of which is the role played by the Constitution.

The Value Added Tax: Its Causes and Consequences

Almost unknown in 1960, the value added tax (VAT) is now found in more than 130 countries, raises around 20 percent of the world’s tax revenue, and has been the centerpiece of tax reform in many developing countries. This paper explores the causes and consequences of the remarkable rise of the VAT. A key question is whether it has indeed proved, as its proponents claim, an especially effective form of taxation. To address this, it is first shown that a tax innovation—such as the introduction of a VAT—reduces the marginal cost of public funds if and only if it also leads an optimizing government to increase the tax ratio. This observation leads to the estimation, on a panel of 143 countries for 25 years, of a system of equations describing both the probability of VAT adoption and the revenue impact of the VAT. The results point to a rich set of determinants of VAT adoption, this being more likely, for example, if a country has a program with the IMF and the less open it is to international trade. In the revenue equation, the presence of a VAT does indeed have a significant impact, but also a complex one, with a negative intercept effect counteracted by positive effects that are greater the higher are per capita income and, more tentatively, openness. While the sign of the revenue impact of the VAT is thus in general ambiguous, most countries that have adopted a VAT seem to have gained a more effective tax instrument in doing so (though this is less apparent in sub-Saharan Africa), and most without it seem likely to gain from its adoption.Value added tax; tax reform

The Value Added Tax : Its Causes and Consequences

Almost unknown in 1960, the value added tax (VAT) is now found in more than 130 countries, raises around 20 percent of the world’s tax revenue, and has been the centerpiece of tax reform in many developing countries. This paper explores the causes and consequences of the remarkable rise of the VAT. A key question is whether it has indeed proved, as its proponents claim, an especially effective form of taxation. To address this, it is first shown that a tax innovation—such as the introduction of a VAT—reduces the marginal cost of public funds if and only if it also leads an optimizing government to increase the tax ratio. This observation leads to the estimation, on a panel of 143 countries for 25 years, of a system of equations describing both the probability of VAT adoption and the revenue impact of the VAT. The results point to a rich set of determinants of VAT adoption, this being more likely, for example, if a country has a program with the IMF and the less open it is to international trade. In the revenue equation, the presence of a VAT does indeed have a significant impact, but also a complex one, with a negative intercept effect counteracted by positive effects that are greater the higher are per capita income and, more tentatively, openness. While the sign of the revenue impact of the VAT is thus in general ambiguous, most countries that have adopted a VAT seem to have gained a more effective tax instrument in doing so (though this is less apparent in sub-Saharan Africa), and most without it seem likely to gain from its adoption.Value added tax ; tax reform

Coordinating Climate and Trade Policies: Pareto Efficiency and the Role of Border Tax Adjustments

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 cross-country distributional concerns that can make non-uniform carbon pricing efficient, and that Pareto-efficiency requires a form of BTA when carbon taxes in some countries are constrained, a special case being identified in which this has the simple structure envisaged in practical policy discussion. It also stresses - a point that has been overlooked in the policy debate - that the case for BTA depends critically on whether climate policies are pursued by carbon taxation or by cap-and-tradeenvironmental taxation, cap-and-trade, international trade, Pareto efficiency, border tax adjustments

Financing New Investments under Asymmetric Information: a General Approach

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-instrument in high-return, high-risk projects and under-investment in low-return, low-risk projects relative to the social optimum. If firms have the choice of equity finance, there is unambiguously over-investment under reasonable conditions. The well-known cases of Stiglitz and Weiss and of de Meza and Webb emerge as special cases. Policy implications are considered, and the results are extended to allow for signaling and screening equilibria.Credit Markets, Asymmetric Information

Theoretical Perspectives on Resource Tax Design

The importance and complexity of petroleum and hard minerals operations is matched by the importance and complexity of finding effective ways to tax them. Many of these challenges arise in other activities too (exhaustibility of deposits being the main exception), but they take such extreme form in relation to resources as to have led to a proliferation of creative instruments and analytical methods. This paper reviews the challenges for tax policy in dealing with the resource sector, the principal instruments used, and some of the central design issues.natural resources, resource taxation, non-renewable resources

Tax competition and tax coordination : when countries differ in size

The purpose of this paper is to develop a model that isrich enough to capture some of the central features of the interaction between national tax systems in an integrated world but simple enough to yield sharp insights into some of the central questions which that interaction raises. The underlying theme is the comparison between tax competition and tax cooperation. The model itself focuses on the role of the relative sizes of the economies involved. The paper consists of seven sections. Section 1 serves as an introduction. It states the paper's objectives, cites the findings of other recent studies on the subject, and lists some of the central questions raised by the economic integration of multiple countries in regard to taxation. Section 2 describes the model created by the authors. Sections 3 and 4 characterize and investigate the outcome under unrestricted tax competition, modelled as a non-cooperative (Nash) equilibrium in tax-setting. Partial measures of tax coordination are then examined in Section 5. Section 6 characterizes the jointly optimal tax structure, which suggests that the optimal joint response to freer cross-border trade may be to do absolutely nothing. Section 7 concludes by addressing some of the questions mentioned in the introduction, based on the results of the application of the model.Public Sector Economics&Finance,Environmental Economics&Policies,Economic Theory&Research,National Governance,Urban Economics

Financing New Investments under Asymmetric Information: A General Approach

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 relative to the social optimum. If firms have the choice of equity finance, there is unambiguously over-investment under reasonable conditions. The well-known cases of Stiglitz and Weiss and of de Meza and Webb emerge as special cases. The results are extended to allow for signaling and screening equilibria.Credit Markets, Asymmetric Information

Coordinating Climate and Trade Policies: Pareto Efficiency and the Role of Border Tax Adjustments

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 cross-country distributional concerns that can make non-uniform carbon pricing efficient, and that Pareto-efficiency requires a form of BTA when carbon taxes in some countries are constrained, a special case being identified in which this has the simple structure envisaged in practical policy discussion. It also stresses—a point that has been overlooked in the policy debate—that the case for BTA depends critically on whether climate policies are pursued by carbon taxation or by cap-and-trade.Environmental taxation; cap-and-trade; international trade; Pareto efficiency; border tax adjustments.