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...But this month a trio of economists — Leah Platt Boustan, Christine Cai and Tammy Tseng — published the first extensive, data-driven study of the issue....
...But this did not stop the largest American business group from endorsing Ms Vukmir in her uphill struggle to unseat Tammy Baldwin, the incumbent Democrat, just a few days later....
...Charles Mills, a partner at the K&L Gates law firm, said: “It seems there’s no real appetite I can detect to have retroactive application.”...
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