“…A growing literature uses Exhibit 21 disclosures to measure firm exposure to different countries, including tax haven use (e.g., Dyreng and Lindsey [2009], Lisowsky [2010], Dyreng, Hanlon, and Maydew [2012], Dyreng, Lindsey, and Thornock [2013], Black, Dikolli, and Dyreng [2014], Law and Mills [2014], Dyreng et al [2015], Hanlon, Lester, and Verdi [2015], Demere, Donohoe, and Lisowsky [2016], Dyreng and Markle [2016], Akamah, Hope, and Thomas [2017], Bozanic et al [2017], Chow, Hoopes, and Maydew [2017], De Simone, Mills, and Stomberg [2017], Dyreng et al [2017], Heckemeyer, Olligs, and Overesch [2017], Law and Mills [2017]). The IRS data provide an opportunity to examine the reliability of Exhibit 21 data when used to generate proxies for subsidiary locations in tax havens and other countries.…”