This paper explores the implications of tax rate uncertainty, identifying circumstances in which revenue-neutral tax rate variability increases profitability, economic activity, and the efficiency of resource allocation. Furthermore, with heterogeneous taxpayers, tax rate variability is shown to...

This paper sets out a framework for analyzing optimal interventions by a tax administration, one that parallels and can be closely integrated with established frameworks for thinking about optimal tax policy. At its heart is a summary measure of the impact of administrative interventions--the...

This paper focuses on two core tax design issues that arise in addressing current fiscal challenges It first explores the idea, prominent in troubled Eurozone countries, of a 'fiscal devaluation:' shifting from social contributions to the VAT as a way to mimic a nominal devaluation. Empirical...