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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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MACROECONOMICS The branch of economics that studies the entire economy, especially such topics as aggregate production, unemployment, inflation, and business cycles. It can be thought of as the study of the economic forest, as compared to microeconomics, which is study of the economic trees.
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GREEN LOGIGUIN [What's This?]
Today, you are likely to spend a great deal of time strolling through a department store wanting to buy either a case of blank recordable DVDs or a pair of red goulashes with shiny buckles. Be on the lookout for the happiest person in the room. Your Complete Scope
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Okun's Law posits that the unemployment rate increases by 1% for every 2% gap between real GDP and full-employment real GDP.
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"No man, for any considerable time, can wear one face to himself and another to the multitude without finally getting bewildered as to which may be true." -- Nathanial Hawthorne, Author
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FGLS Feasible Generalized Least Squares
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