1/ THREAD: The Biden administration is trying to tackle corporate profit shifting -- the way US multinationals avoid taxes by pushing their profits into offshore havens. I thought it would be useful to post some pieces that show how we got here:
3/ Economist @M_SullivanTax dug through SEC filings for dozens of drug companies, Here he found Pfizer had not reported a dollar in US profit to investors for five years (but nearly $70 billion abroad) keeping its taxes low: http://www.taxhistory.org/www/features.nsf/Articles/8A8A34FCBD7C3C3F85257BA200497696?OpenDocument
11/ In 2014, @gabriel_zucman discovered US companies booked 20% of their profits in a handful of tax havens: https://gabriel-zucman.eu/files/Zucman2014JEP.pdf They now claim the majority of their overseas profits were earned in havens: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3655850
14/ Before he passed away last year, tax law professor Ed Kleinbard of USC wrote several influential papers, and coined the term “stateless income.” Here is one: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=1791783
16/ If you have other stories or pieces of research that you think will help add to the understanding of this issue, please add them below.
17/ One important add: many big US companies have moved IP from offshore back into the US after the 2017 TCJA. Theoretically, this means that an offshore minimum tax will raise less than before 2017. So previous estimates, like @KClausing's $100 billion should be less.
18/ If anyone has seen research on this particular aspect, I'd be eager to read. cc @M_SullivanTax @stevertax
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