The COVID-19 pandemic has hit sub-Saharan African economies hard, exacerbating debt and debt servicing cost issues that a range of countries in the region - including Ghana and Nigeria - already faced. This report examines the fiscal context in sub-Saharan Africa and the issues and options for...

Over the last 20 years, sub-Saharan African (SSA) countries have experienced significant economic growth and consequently growing levels of motorisation. Though overall levels of motorisation in SSA are still relatively low, with a high number of poor-quality vehicles concentrated in large...

UK business investment is the lowest in the G7 and among the lowest in the developed world. Tax has a role to play in shaping investment incentives, and the UK's corporate tax system is one of extremes. While the rate of corporation tax (19%) is exceptionally low, UK investment allowances are...

This paper constructs time series of global profit shifting covering the 2015-19 period, during which major international efforts were implemented to curb profit shifting. We find that (i) multinational profits grew faster than global profits, (ii) the share of multinational profits booked in...

Profit shifting by multinational corporations is thought to reduce tax revenue around the world. While transfer pricing regulations are meant to curtail profit shifting, there have been rising concerns that a sophisticated tax advisory industry can limit their effectiveness. This paper provides...

Trotz internationaler Reformen mit dem Ziel, grenzüberschreitende Steuerhinterziehungsaktivitäten einzudämmen, ist die Bedeutung globaler Offshore-Finanzvermögen von 2001 bis 2021 relativ konstant geblieben: Gemessen an der globalen Wirtschaftsleistung schwanken sie um etwa zehn Prozent....

This paper attempts to estimate the size and distribution of tax evasion in rich countries. We combine random audits - the key source used to study tax evasion so far- with new micro-data leaked from large offshore financial institutions - HSBC Switzerland ("Swiss leaks") and Mossack Fonseca...

Drawing on newly published macroeconomic statistics, this paper estimates the amount of household wealth owned by each country in offshore tax havens. The equivalent of 10% of world GDP is held in tax havens globally, but this average masks a great deal of heterogeneity - from a few percent of...

Using administrative wealth records from Denmark, we study the effects of wealth taxes on wealth accumulation. Denmark used to impose one of the world's highest marginal tax rates on wealth, but this tax was drastically reduced and ultimately abolished between 1989 and 1997. Due to the specific...