经济学十大原理的简介

1.人们面临权衡取舍（People face trade-offs）2.某种东西的成本是为了得到它而放弃的东西（ The cost of something is what you give up to get it）3.理性人考虑边际量（Rational people think at margin）4.人们会对激励作出反应（People respond to incentives）5.贸易能使每个人状况更好（Trade can make everyone better off）6.市场通常是组织经济活