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Index/Topics/Massachusetts' surtax example

Massachusetts' surtax example

Massachusetts' experience with a 4 percent surtax, which yielded $5.7 billion in revenue, cited as a precedent for Zohran Mamdani's tax proposals.

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Jan 24, 2026

How have similar city‑level millionaire or corporate tax hikes affected housing markets and business location decisions in other U.S. metro areas?

City- or state-level surtaxes on millionaires and higher corporate levies have, in past episodes, produced measurable but limited migration responses: a small number of high-profile exits and some bus...

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