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Multinational enterprises (MNEs) shift large portions of their profits to tax havens like Ireland and Bermuda, costing governments in their home countries hundreds of billions of dollars per year in tax revenue. The OECD and G20 governments have recently agreed upon a historic international policy framework designed to reduce profit shifting, which will impose a 15% global minimum corporate tax rate and reallocate the right to tax 25% of MNEs' profits to the countries in which they sell their products. In our working paper, “A Macroeconomic Perspective on Taxing Multinational Enterprises,” Sebastian Dyrda, Guangbin Hong, and I argue that this framework will achieve its goal, but it will also reduce MNEs' incentives to invest in intangible capital, which will cause the global economy to shrink.

Rising wealth inequality is evoking calls to tax capital more heavily, but concerns abound that the wealthy would respond by concealing more of their assets offshore. In “Tax Evasion and Capital Taxation,” (recently accepted by the Journal of Political Economy), Shahar Rotberg and I build a general equilibrium model of offshore tax evasion to analyze how these policies would affect the economy. But for evasion, raising capital income taxes and taxing wealth would reduce inequality and could increase tax revenue substantially. In reality, however, inequality would rise and tax revenues would rise modestly or even fall.