How people make decisions.
Principle #1: People face tradeoffs.
Principle #2: The cost of something is what you give up to get it.
Principle #3: Rational people think at the margin.
Principle #4: People respond to incentives.
微观经济学（第一章）课程讲稿
How people interact with each other.
Principle #5: Trade can make everyone better off.
Principle #6: Markets are usually a good way to organize economic activity.
Principle #7: Governments can sometimes improve economic outcomes.
The forces and trends that affect how the economy as a whole works.
Principle #8: The standard of living depends on a country’s production.
Scarcity——means that society has limited resources and therefore cannot produce all the goods and services people wish to have.
Economics is the study of how society manages its scarce resourcethe government prints too much money.
Principle #10: Society faces a short-run tradeoff between inflation and unemployment.
微观经济学（第一章）课程讲稿
第一章：经济学基础
第三节：经济学十大原理（曼昆）
教学要求：
了解经济学十大原理
教学重点、难点及关键知识点：
重点是了解经济学的基本思想与观点
方法及手段：
课堂讲授、板书
教学基本内容（教学过程）
The management of society’s resources is important because resources are scarce.