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OLIGOPOLY, CONCENTRATION: Oligopoly is a market structure that contains a small number of relatively large firms, meaning oligopoly markets tend to be concentrated. A small number of large firms account for a majority of total output. Concentration unto itself is not necessarily bad, but it often leads to inefficient behavior, such as collusion and nonprice competition. Concentration is measured in three ways--market share, concentration ratio, Herfindahl index.
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ECONOMICS OF INFORMATION The study of the role that information plays in the economy and in the allocation of resources, with special attention paid to efficient information search. Key topics in this area of study and analysis are asymmetric information, moral hazard, adverse selection, signalling, and screening. This study of the economics of information also provides insight into the analysis of risk and uncertainty, which are important to insurance and financial markets.
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Today, you are likely to spend a great deal of time surfing the Internet wanting to buy either a replacement remote control for your stereo system or a computer that can play video games and burn DVDs. Be on the lookout for telephone calls from former employers.
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Cyrus McCormick not only invented the reaper for harvesting grain, he also invented the installment payment for selling his reaper.
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"Don't be afraid of the space between your dreams and reality. If you can dream it, you can make it so." -- Belva Davis, Journalist
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