additional income tax

基本解释

The optimal tax theory holds that goods that lack flexibility in demand should be imposed more taxes in order to reduce additional burdens of tax income.
最优商品税理论声称，应当对需求较缺乏弹性的商品课以较重的税收，以减少税收的额外负担。
This is the stuff of dreams for governments, because such multiplier effects are likely to generate additional tax income so that budget deficits decline.
这正是各国政府所梦寐以求的，因为这样的乘数效应可能导致税收收入增加，使得预算赤字下降。
And Britain is also well ahead of the United States, where the current top rate of federal income tax is 35%, though additional state levies can add substantially more.
尽管额外的国家税收会带来更多实质性增长，英国还是大大超过了美国国内当前的最高税率为35%的联邦所得税。

That means you can withdraw those funds without paying additional income tax or the 10% early withdrawal penalty.
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Some advisers believe the IRS may also be more likely to assert additional income tax penalties after an opt-out, such as civil fraud.
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The deal also includes some additional stimulus tax benefits, like a two-year expansion of the Earned Income Tax Credit, the additional child tax credit and a credit to help college students offset tuition costs.
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