The authors use a computable general equilibrium model to estimate the marginal cost of public funds (MCF) for taxes on domestic goods, exports, imports, capital, and labor in 38 African countries. The resulting MCF estimates provide directions for tax reform in Africa. The authors investigate...

This paper surveys the literature to document the main stylized facts, risks, and policy challenges related to the expansion of global nonfinancial corporate debt after the 2008–09 global financial crisis. Nonfinancial corporate debt steadily increased after the crisis, especially in emerging...

This paper investigates the costs and benefits of concluding double tax treaties with investment hubs. Based on a sample of 41 African economies from 1985-2015, the results suggest that signing treaties with investment hubs is not associated with additional investments; yet, these treaties tend...

This study combines macro and micro data to quantify the revenue effects ofdouble tax treaties. First, drawing on administrative information, the study estimates the tax sensitivity of income flows (dividend, interest, and royalty payments) at an aggregate level. The analysis finds important...

The majority of firms in developing countries are informal, and encouraging them to register with the tax authority has proven challenging and costly. This paper argues that incomplete tax filing among registered firms constitutes an important intermediate form of informality, which can be...

The paper analyzes the design of simplified small business tax regimes in Eastern Europe and Central Asia and the impact of such regimes on small business tax compliance. Although many approaches for tax simplification exist, a general trend in the region is to offer small businesses the option...

Using a panel of administrative data and regression discontinuity analysis, this paper examines how the introduction of preferential tax regimes for Georgian micro and small businesses in 2010 affects formal firm creation and tax compliance. The results show that the new tax regime for micro...

How should developing countries tax corporate income? This paper studies this question in Costa Rica, where firms face discontinuously higher average tax rates on profits when their revenue marginally increases. The paper combines a discontinuity and a bunching design to estimate the profit...

The authors propose four economic principles for use in deciding taxing responsibilities for various levels of government. These are: 1) efficiency of the internal common market - for efficiency in internal common market, taxes on mobile factors and tradable goods should either be assigned to...