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。
通过文学,我们可以理解那些我们无法直接体验的生活。
你不能让恐惧阻止你过自己的生活。
Collaboration across borders is essential to solving global food challenges.
Liberty is the fruit of thought.