While it is quite true, as she notes, that Republicans adhere to the questionable belief that tax cuts are ipso facto good (and tax hikes are ipso facto bad) for the economy and the financial markets, those same Republicans also tend to believe that wealth is inherently the property of the individual who created it.
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Republicans generally adhere to the belief that tax cuts are good, while tax hikes are bad.
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Republicans view tax hikes are a good thing.