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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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AUTONOMOUS EXPORTS

Exports to the foreign sector that do not depend on domestic income or production (especially national income or gross domestic product). Exports depend on foreign income or production, but not on domestic income or production. While other expenditures have both autonomous and induced components, exports are exclusively autonomous. Autonomous exports are a key part of the autonomous part of net exports. Induced net exports are due to induced imports.

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Today, you are likely to spend a great deal of time browsing through a long list of dot com websites looking to buy either a 200-foot blue garden hose or a video camera with stop action features. Be on the lookout for mail order catalogs with hidden messages.
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Three-forths of the gold mined each year is used to manufacture jewelry.
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