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。
The only way to get rid of a temptation is to yield to it.
Thinking consists in envisaging, realizing structural features and structural requirements.
Stay true to yourself and never let anyone change you.
我创作的灵感来自痛苦,也来自快乐。