The US had public corporation tax returns 100 years ago. We need them back, now

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This opening paragraph from a new article  (paywall) by Reuven Avi-Yonah and Ariel Siman will surprise many people:

When the U.S. originally enacted its corporate tax in 1909, corporate tax returns were public.  The rationale was that taxing corporations was a means of controlling their excessive power, and sunshine is the best disinfectant.

By the 1930s corporate lobbying had put an end to that. We've never had such a system, but the question is, why not?

Michael Meacher made a proposal for public corporation tax returns in a Private Member's Bill I wrote for him last year. It would be a powerful disinfectant, especially if that return was combined with country-by-country reporting.