国家开放大学：2010—2011学年第二学期“开放本科”汉语言文学专业艺术欣赏（本）期末试题（开卷）

西安石油大学油气资源学院：《石油地质学 Petroleum Geology》课程教学资源（作业习题库）第二章 现代油气成因理论

国家开放大学：2009—2010学年第二学期“开放本科”汉语言文学专业艺术欣赏（本）期末试题（开卷）

西安石油大学油气资源学院：《石油地质学 Petroleum Geology》课程教学资源（作业习题库）第一章 石油、天然气、油田水的组成及其性质

西安石油大学油气资源学院：《石油地质学 Petroleum Geology》课程教学资源_教学大纲（王凤琴）

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

The Meaning of Competition uA perfectly competitive market has the following characteristics: u There are many buyers and sellers in the market

Monopoly While a competitive firm is a price taker, a monopoly firm is a price maker

Imperfect Competition Imperfect competition refers to those market structures that fall between perfect competition and pure monopoly

Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. The Four Types of Market Structure Monopoly Oligopoly Monopolistic Competition Perfect Competition