Optimal fiscal policy requires that tax rates be smooth over time, responding only to permanent changes in government spending.
最优财政政策要求税率随时间平稳变化,仅对政府支出的永久性变化作出反应。
诗人是见证者,而非审判者。
The ultimate test of our religious principles is not just what we say in our testimonies but what we do in our lives.