This paper evaluates the Common Consolidated Corporate Tax Base (CCCTB) recently proposed by the European Commission. We find that if the CCCTB is introduced as it is currently proposed (including loss consolidation), then it is likely to impose large tax revenue costs of about one fifth of the...

Illicit financial flows (IFFs) threaten countries' ability to achieve the Sustainable Development Goals (SDGs). Progressing on the IFFs target is thus crucial, as is the ability to measure achieved progress. In this paper we explore how to best statistically measure tax avoidance by...

Despite a Sustainable Development Goals target to reduce trade mispricing and other illicit financial flows, it is not clear how to measure trade mispricing over time for countries worldwide. We aim to combine a broad coverage of countries by using UN Comtrade data and robustness by developing a...

Progressive direct taxation is necessary to complement social protection, in order to reduce income inequality as well as poverty. A new metric of personal income tax incidence progressivity (the "Plato Index") is presented, using WIDER databases for income inequality (WIID) and tax revenues...

Under the current system of separate accounting, tax-motivated international profit shifting results in misalignment of profits and real economic activity. While the Organisation for Economic Co-operation and Development (OECD) Base Erosion and Profit Shifting initiative aims to measure and...

A major obstacle to cross-country research on the role of revenue and taxation in development has been the weakness of available data. This paper presents a new Government Revenue Dataset (GRD), developed through the International Centre for Tax and Development (ICTD). The dataset meticulously...

An initiative is needed to break the logjam in the international negotiations to reform taxation of multinational enterprises (MNEs). The primary agreed goal of the project on Base Erosion and Profit Shifting (BEPS) was to better align MNEs’ taxable profits with the location of real economic...

An initiative is needed to break the logjam in the international negotiations to reform taxation of multinational enterprises (MNEs). The primary agreed goal of the project on Base Erosion and Profit Shifting (BEPS) was to better align MNEs’ taxable profits with the location of real economic...

The “Palma” is the ratio of national income shares of the top 10 percent of households to the bottom 40 percent, reflecting Gabriel Palma's observation of the stability of the “middle” 50 percent share of income across countries so that distribution is largely a question of the tails. In...