The declaration leaves such a tax up to individual members.

VOA: standard.2010.06.27

You have a progressive tax system that takes more money from the wealthier people and you have a welfare system that looks at individual hardship and pays out.

我们有随富有程度加重税负的,累进税制,还有关注个体并进行再分配支出的,福利制度。

耶鲁公开课 - 金融市场课程节选