精选优质文档-倾情为你奉上 AP 微观经济学知识点梳理 I. Basic Economic Concepts 经济学基础概念 (814%) 选择A.Scarcity, choice and opportunity cost 稀缺性(概念),选择(概念),机会成本(计算)a. Scarcity(Unlimited want vs. Limited resources )Make choices Economicsb. Opportunity cost (The best choice you give up) include explicit and implicit cost, the slope公式:Opportunity Cost of doing A=loss in B / gain in Ac. Factors of productions are resources.B.