In a progressive tax system, where richer people pay a higher average tax-rate, more income going to top earners automatically means higher tax revenue.

在累进税制系统中，富人要承担更高的平均税率，富裕阶层的更多收入自然意味着更高的税金收入。

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George Osborne's decision to withdraw child benefit from families where a parent earns enough to pay income tax at the higher rate (40%) has been extensively covered this week.

乔治·奥斯本决定免去一些高收入家庭的小孩的福利金，因为他们的任一方父母收入就如此之高，需缴纳的工资所得税竟高达40%。这一决定在本周掀起了广泛的报导。

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Anyway, even the iconic tech startup won't be cutting jobs because its founder faces a slightly higher top marginal tax rate on his profits.

总之，即使是这项政策开始实施也不会消减工作岗位，因为增加的税款在经营者的收益中仅是微小的。

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Mr Osborne said pension, education and welfare reform was helping to make the UK a more competitive economy, while cuts to corporation tax and higher-rate tax were making the country a more attractive place to do business.

BBC: George Osborne at the World Economic Forum

The new report also shows the impact of the Bush-era tax cuts on the effective tax rate higher-income folks pay.

FORBES: Twice As Many Rich Escape U.S. Tax

The near 100-year history of the tax code teaches this inviolable law of politics: The higher the tax rate, the more tax carve-outs there will be for yacht owners.

WSJ: Stephen Moore: Flat Is the New Fair