WASHINGTON, Sept. 10 [Category: ThinkTank] -- Groundwork Collaborative, a think tank and progressive advocacy group, posted the following news release:

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Millionaires Love NY: New IRS Data Shows New York's Millionaire Population Grew Years After the State Raised Taxes on the Rich

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Most recent data shows state's millionaire population grew even after state raised top marginal tax rate, once again debunking the tax flight myth