Investors should be skeptical of anyone who claims to have a surefire way to beat the market.
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。
真正的挑战在于让小型农户成为全球解决方案的一部分。
"The best way to predict the future is to invent it."