We provide estimates of profit shifting for over 2 million firm-year observations in 100 countries over the period 2009-2020. Employing nonparametric estimation techniques within a mainstay model of profit shifting, we examine how profits for both parent and subsidiary firms within a...

We examine the effect of compliance frictions in reclaiming foreign withholding taxes on Foreign Portfolio Investments (FPI) using a comprehensive panel of FPI stocks of 83 countries, including EU Member States, between 2005 and 2019 and country-pair-specific withholding tax rates. We find a...

Tax treaties are often seen as a means to mitigate fierce tax competition. We challenge this view by arguing that taxes on passive income reduce e↵ective average tax rates, and induce neighbouring countries to react by reducing bilateral tax rates. As opposed to traditional tax competition,...

The COVID-19 pandemic has inflicted an economic hardship unprecedented for the modern age. In this paper, we show that the health crisis and ensuing Great Lockdown, came with an unseen level of economic uncertainty. First, using a European dataset on country-level and regional internet searches,...

We extend the theory of tax incidence under Cournot-Nash oligopolistic competition to study the effects of an ad valorem sales tax on Web services (so-called Web Tax) that are provided free of charge to users, and produce advertising space sold to businesses. Ads are more valuable to advertisers...