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LERNER INDEX: The difference between price (p) and marginal cost (mc) as a fraction of price, that is [p-mc]/p. The Lerner index is usually taken as an indicator of market power because the larger the index, the larger the difference between price and marginal cost, that is, the larger the distance between the price and the competitive price. The Lerner index depends on the elasticity of demand. The Lerner index is also called the price-cost margin.
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PERFECT COMPETITION, LONG-RUN PRODUCTION ANALYSIS In the long run, a perfectly competitive firm adjusts plant size, or the quantity of capital, to maximize long-run profit. In addition, the entry and exit of firms into and out of a perfectly competitive market guarantees that each perfectly competitive firm earns nothing more or less than a normal profit. As a perfectly competitive industry reacts to changes in demand, it traces out positive, negative, or horizontal long-run supply curve due to increasing, decreasing, or constant cost.
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ORANGE REBELOON
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Today, you are likely to spend a great deal of time at a dollar discount store hoping to buy either a set of hubcaps or handcrafted decorations to hang on your walls. Be on the lookout for celebrities who speak directly to you through your television.
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In his older years, Andrew Carnegie seldom carried money because he was offended by its sight and touch.
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"You just don't luck into things as much as you'd like to think you do. You build step by step, whether it's friendships or opportunities. " -- Barbara Bush, first lady
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SEAQ
Stock Exchange Automated Quotation System (UK)
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