The sharing between national tax authorities of taxpayer-specific information has emerged over the last few years as a - probably 'the' - central issue in the formation of international tax policy. Yet this refocusing of the debate on international taxation - away from parametric tax...

A major constraint on trade liberalization in many countries is the prospective loss of government revenue. Recent results, however, have established a simple and appealing strategy for overcoming this difficulty, whilst still realizing the efficiency gains from liberalization, in small,...

While the literature has paid a lot of attention to the institutional arrangements and practicalities of tax information exchange, the economics has hardly been touched. Many questions arise. Why would source countries (that is, those in which the savings income arises) ever voluntarily exchange...

The exchange of taxpayer-specific information between national tax authorities has recently emerged as a key and controversial topic in international tax policy discussions, most notably with the OECD's harmful tax practices project and the EU's savings tax initiative. This paper analyses the...

This paper explores aspects of the optimal design of tax/transfer schemes that involve elements of both 'tagging' (the use of categorical benefits) and 'means-testing' (income-relation of benefits). Simulations suggest a striking qualitative dissimilarity between the group-specific schedules...

Proximity and close economic links put Canada on the front line in thinking through the effects of the US Tax Cuts and Jobs Act (TCJA). This article reviews the main channels by which the business tax provisions of the TCJA might affect Canada, and possible responses

This paper 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 usefulness of apparently inefficient policy instruments in overcoming the self-selection constraints...

This chapter surveys the theory of international tax competition and coordination, which, matching the increasing policy importance of the topic, has grown substantially over the last 30 years. It focuses on the taxation of capital income, stressing that issues arise not only in relation to...

The recent international agreement on a minimum effective corporate tax rate marks a profound change in global tax arrangements. The appropriate level of that minimum, however, has been, and remains, extremely contentious. This paper explores the strategic responses to a minimum tax,...

The recent international agreement on a minimum effective corporate tax rate marks a profound change in global tax arrangements. The appropriate level of that minimum, however, has been, and remains, extremely contentious. This paper explores the strategic responses to a minimum tax,...