| Summary: | This paper articulates and, using newly-assembled data, explores how international taxation affects aggregate tangible cross-border investment. Spillovers from statutory tax rates abroad seem: As sizable as effects from the host's rate; larger than previous consensus values (attributed to a systematic bias from FDI data); and consistent with 'implicit' profit shifting through real investment (rather than 'paper' profit shifting). Contrary to much policy discussion, the results also imply that: Host countries' marginal effective tax rates have at best a weak effect on real investment; those elsewhere have none; and, applied to the prospective global minimum tax, inward tangible investment in most sample countries will increase
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