https://theses-dissertations.princeton.edu/items/563cbab3-451d-42af-a4c8-fff896aaa0d4
Effects of State-Level Marginal Tax Rate Regressivity on Income Inequality
marginal tax rateincome inequalityeffectsstatelevel
https://nationaltaxreports.com/wyoming-state-tax-rate/
Wyoming State Tax Rate (2026 & 2027 Guide)
Jul 16, 2026 - Wyoming is one of the few states with no state income tax, meaning the tax rate on personal income is 0%.
state tax ratewyomingguide
https://unitesi.unive.it/handle/20.500.14247/2376
Un nuovo welfare state. Flat-rate income tax e minimo vitale
welfare stateflat rateincome taxnuovominimo
https://chamtax.com/lottery-tax-data-hub.html
US Lottery Tax Rate Data by State & Country (2026) | Free CSV/JSON | ChamTax
Open dataset: US Powerball/Mega Millions lottery tax rates for all 50 states + DC and 51 countries of residence, with reference take-home scenarios. Free...
tax rateby statelotterydatacountry