There is often a gap between the prescriptions of an "optimal" tax system and actual tax systems, some of which can be neither efficient economically nor efficient at redistributing income. With a focus on personal income taxes, this paper reviews the political economics literature on tax...

The efficiency case for raising fuel tax minima under the EU Energy Tax Directive (ETD) appears nuanced. Some fuels may be undertaxed (e.g., road diesel, natural gas), while others may be adequately taxed already (e.g., gasoline). Reform proposals would increase some minima, including for road...

Using a panel of 97 mostly developing and transitional countries for the period 1990-2011, this paper explores fiscal implications of membership in the World Trade Organization (WTO). Em-ploying robust difference-in-difference specifications as well as semi-parametric methods, we find that...

This paper proposes an analysis of two major tax events which occurred in the European Union in 2001, the move of Germany from imputation to exemption and the objective announced by the EU Commission to provide EU businesses with a consolidated corporate tax base for their EU-wide activities. In...

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, which the...

This paper employs unique data on export transactions and corporate tax returns of UK multinational firms and finds that firms manipulate their transfer prices to shift profits to lowertaxed destinations. It uncovers three new findings on tax-motivated transfer mispricing in real goods. First,...

Despite sharp reductions in corporate income tax (CIT) rates worldwide, CIT revenues have not fallen dramatically in the last two decades. This paper investigates the recent developments in CIT in the European Union, by taking a closer look at the potential driving forces behind this puzzle....

Using pairs of similar US and European firms listed on the S&P500 or StoxxEurope600, we examine effective tax differentials between US multinational corporations (MNCs) and their European peers. We show that statutory tax rates and profit shifting opportunities are important determinants of...