“…Multinational firms' corporate tax avoidance has been discussed prominently in the media (e.g., Yadron et al, 2013), in academia (e.g., the infamous "Luxembourg Tax Leaks") (Li et al, 2019;Nesbitt et al, 2017), and in the discussion on tax base erosion and profit shifting (Dharmapala, 2014). 2 Conceptually, tax avoidance strategies take three forms: (a) shifting taxable income to foreign or state jurisdictions that have low tax rates (tax rate avoidance), (b) lowering the domestic tax base (tax base avoidance), or (c) a combination of both strategies (Guenther et al, 2019;Lisowsky, 2010;Sikes and Verrecchia, 2020).…”