In a free, unregulated market system, market forces establish equilibrium prices and exchange quantities. While equilibrium conditions may be efficient, it may be true that not everyone is satisfied

Do the equilibrium price and quantity maximize the total welfare of buyers and sellers? Market equilibrium reflects the way markets allocate scarce resources. Whether the market allocation is desirable is determined by welfare economics

The Costs of Taxation How do taxes affect the economic well- being of market participants?

International Trade What determines whether a country imports or exports a good?

Market Efficiency - Market Failures Recall that: Adam Smith’s “invisible hand” of the marketplace leads self￾interested buyers and sellers in a market to maximize the total benefit that society can derive from a market

“The best things in life are free. . . ” Free goods provide a special challenge for economic analysis Most goods in our economy are allocated in markets… …for these goods, prices are the signals that guide the decisions of buyers and sellers

影像的分析解译是遥感应用的关键，本章内容包括解译原理，遥感资料的种类与特征，遥感影像的解译标志，遥感影像的目视解译方法，遥感地图制图

本章内容包括扫描探测器工作原理，电子扫描成像⎯电视，光学机械扫描成像，固体自扫描成像

本章内容是该课程的核心之一，内容包括 摄影成像过程及其原理，感光材料的基本特性， 滤光镜与多波段摄影

本章内容是该课程的核心之一，内容包括摄影成像过程及其原理，感光材料的基本特性，滤光镜与多波段摄影