Global Ripple Effects of Corporate Tax Reforms

Sebastian Dyrda, Guangbin Hong, Muhammad Ali Sajid and Joseph Steinberg

No 34627, NBER Working Papers from National Bureau of Economic Research, Inc

Abstract: We study international spillovers of corporate tax reforms in a fragmented global tax regime. Using firm-level evidence on the 2017 U.S. Tax Cuts and Jobs Act (TCJA) and a quantitative general-equilibrium model, we illustrate how multinational enterprises (MNEs) propagate local policy shocks throughout the global economy. Our framework emphasizes two key intrinsic properties of intangible capital: non-rivalry and mobile ownership. We find the TCJA generated positive outward spillovers: First, it boosted U.S. MNEs’ intangible investment, raising their foreign subsidiaries’ output. Second, it increased tangible investment of foreign MNEs’ U.S. subsidiaries, incentivizing them to expand intangible investment at home. Conversely, a Global Minimum Tax (GMT) implemented by the rest of the world generates negative inward spillovers for the United States, even if U.S.-parented MNEs are exempt. These findings illustrate that there is no such thing as a purely domestic corporate tax policy.

JEL-codes: F23 H25 (search for similar items in EconPapers)
Date: 2026-01
Note: IFM ITI
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