Differences in Earningsin the U.S. Today The typical physician earns about $200,000a year. The typical police officer earns about$50,000 a year. The typical farm worker earns about$20,000 a year

Outline The economics of asymmetric information Political economics Behavioral economics

Outline The Economist as Scientist The Economist as Policy Adviser Why Economists disagree

The Market Forces of Supply and Demand Supply and Demand are the two wordsthat economists use most often. Supply and Demand are the forces thatmake market economies work. Modern microeconomics is about supply,demand and equilibrium

Importance of Supply-Demand Analysis A little knowledge goes a long way: Price Control, Taxation and other policies. Market welfare: Normative Analysis International Trade Externality (Market Failure) Market Power (Market Failure) Other markets: Financial Market, Labor Market. Macroeconomics

The Cost of Taxation How do taxes affect the economic well￾being of market participants? It does not matter whether a tax on a goodis levied on buyers or sellers of the good… the price paid by buyers rises, and theprice received by sellers falls

“The best things in life are free. . .” Free goods provide a special challenge foreconomic analysis Most goods in our economy are allocatedin markets… for these goods, prices are the signalsthat guide the decisions of buyers andsellers

The Meaning of Competition A perfectly competitive market has the following characteristics: – There are many buyers and sellers in themarket

1.加快户籍制度改革，打破维系多年的城乡“二元经济体制”， 这是解决农村留守儿童问题的 根本所在。尽快改革与户籍相联系的城乡二元结构的各种制度，拆除就业、医疗、住房、教 育等方面的城乡壁垒，减少农民进城的“迁移成本”，同时制定和实施优惠政策和配套措施， 使进城务工人员享有城镇原住居民同等的政治和社会权益，他们的子女也享受与城市孩子同 等的待遇，从而保障劳动力合理流动

（一）户籍制度改革 存在问题： （1）户籍制度和市场经济的发展要求不相适应。在我国现行的户籍制度下，对人口的迁徙进行限制，人为的划分城市和农村两个人力资源市场