78: Trade Talks Does Its Taxes

Episode Summary

Executive Summary: The episode explains how multinational firms shift profits to low-tax jurisdictions, why that erodes tax bases worldwide, and how the 2017 Tax Cuts and Jobs Act reshaped U.S. corporate taxation. Economist Kimberly Clausing argues that profit shifting is increasingly driven by intangibles and that current hybrid territorial/worldwide systems are complex, distortionary, and in need of simpler global reform.

Main Topics: Why multinationals matter for trade and global integration (Priority: 5/5): Clausing frames multinationals as central to cross-border economic activity: they account for a huge share of trade, investment, innovation, and jobs, but also raise concerns about market power and tax capacity. Profit shifting and tax havens (Priority: 5/5): The discussion explains how firms book profits in low-tax jurisdictions like Luxembourg, Ireland, Bermuda, and the Cayman Islands even when real activity occurs elsewhere, highlighting the gap between economic location and tax location. Mechanisms of tax avoidance (Priority: 5/5): Historically, companies manipulated transfer prices on intra-firm trade; increasingly, they shift intangibles such as patents and trademarks to havens, making profit relocation easier than moving physical operations. Competing international tax systems (Priority: 4/5): The podcast compares territorial, worldwide, and formulary approaches to taxing multinationals, emphasizing that real-world systems are hybrid and that labels can obscure major design differences. Impact of the Tax Cuts and Jobs Act (Priority: 5/5): Clausing reviews how the TCJA cut the statutory corporate rate, moved the U.S. toward territorial taxation, imposed a one-time repatriation tax, and added anti-abuse provisions such as GILTI and BEAT. International coordination and reform (Priority: 4/5): The conversation closes with the OECD/G20 BEPS effort, with Clausing arguing that 2,000 pages of guidance reveal the need for simpler, more enforceable international tax rules and coordination to avoid double taxation.

Key Arguments: Multinationals are a dominant part of global trade, with U.S. and foreign multinationals accounting for about 70% of U.S. trade. Profit locations are highly distorted relative to real activity: over half of U.S. multinationals’ profits are booked in just seven tax havens. Profit shifting has become easier over time because value has moved toward intangibles that can be assigned on paper to low-tax jurisdictions. The U.S. corporate tax before TCJA was nominally worldwide at 35%, but effective tax rates were often much lower because profits could stay offshore indefinitely. TCJA significantly lowered the corporate rate and tried to reduce profit shifting through GILTI and BEAT, but its international provisions still create distortions and do not fully eliminate avoidance incentives. A pure territorial system may encourage profit shifting unless paired with exceptions; a pure worldwide system can also be hybridized with deferral and credits, so the real policy choice is among imperfect combinations. Formulary apportionment—taxing firms based on where employees and customers are located—may be simpler and more principled than trying to police book profits across jurisdictions. Current global rules are too complex, and the need for thousands of pages of guidance suggests the system itself may be fundamentally flawed. Uncoordinated global efforts to tax multinationals could produce double taxation, but companies are likely to adapt if policies are designed coherently.

Data Points: Share of U.S. trade handled by multinationals: about 70% - Kimberly Clausing says U.S. and foreign multinationals together conduct roughly 70% of U.S. trade. Share of U.S. multinationals’ profits booked in havens: more than half - Clausing notes that over half of U.S. multinational profits are booked in just seven tax havens. Number of major tax havens referenced: 7 - She identifies Luxembourg, the Netherlands, Ireland, Singapore, Switzerland, the Cayman Islands, and Bermuda. Population comparison for the seven havens: less than California - The combined population of the seven havens is said to be smaller than California’s population. U.S. government revenue loss from profit shifting: about $100 billion per year - Estimate for U.S. revenue lost before the Tax Cuts and Jobs Act. Foreign governments’ revenue loss from profit shifting: about $200 billion per year - Clausing’s estimate of revenue lost outside the United States. Worldwide revenue loss from profit shifting: about $300 billion per year - Combined estimate of lost tax revenue in non-haven countries. U.S. corporate statutory tax rate before TCJA: 35% - Nominal rate prior to the 2017 tax reform. U.S. corporate statutory tax rate after TCJA: 21% - Rate reduced by the Tax Cuts and Jobs Act. TCJA revenue cost from rate cut and base changes: about $650 billion - Net revenue cost over 10 years, after some base-widening measures. International provisions’ net revenue effect under TCJA: about -$14 billion over 10 years - Clausing says the international provisions slightly lose revenue on net. One-time repatriation tax revenue: about $300 billion over 10 years - Raised by taxing previously offshore income at a reduced rate. Repatriation tax rate: 8% or 15% - Clausing describes the one-time tax as a cut relative to prior law. GILTI minimum tax rate: 10.5% - Minimum tax applied to certain low-taxed foreign income under TCJA. BEPS guidance length: about 2,000 pages - OECD/G20 guidance on base erosion and profit shifting is described as extensive and complex. Foreign tax rate threshold mentioned for GILTI incentive: 52% - Clausing says if the foreign tax rate is below this level, earning income abroad can be preferable under GILTI-related incentives.

Pivotal Quotes: "about half, or actually a little more than half, of their profits are booked in just seven havens" — Kimberly Clausing: Used to illustrate how U.S. multinational profits are concentrated in low-tax jurisdictions rather than where real activity occurs. "I call it America-last tax policy" — Kimberly Clausing: Her critique of the GILTI structure, arguing it can favor foreign income over U.S.-earned income in certain cases. "the very fact that it takes 2,000 pages of guidelines to try to tell governments how to enforce this system probably means that we need some more fundamental reform" — Kimberly Clausing: Her conclusion on the OECD/G20 BEPS framework and the need for simpler international tax rules.

Implications: The episode suggests multinational tax rules are too easy to game and too complex to enforce. Future reform likely needs simpler, coordinated global standards that limit profit shifting without discouraging real investment or creating double taxation.