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December 12, 2018 

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SHORT-RUN SUPPLY CURVE: For a perfectly competitive firm, the marginal cost curve that lies above the average variable cost curve. This segment of the marginal cost guides a perfectly competitive firm's profit maximizing production as it equates price to marginal cost. Because the marginal cost curve is positively sloped (due to the law of diminishing marginal returns), each firm's supply curve and the market supply curve are also positively sloped. The law of diminishing marginal returns thus provides an explanation for the law of supply. However, this only works for firms with NO market control. Monopoly, monopolistic competition, and oligopoly, with market control, do not achieve the same result.

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The CLASS*portal provides access to instructional materials for two courses -- Introductory Macroeconomics and Introductory Microeconomics. Use the information provided by the CLASS*portal as you see fit.
OLIGOPOLY

A market structure characterized by a small number of large firms that dominate the market, selling either identical or differentiated products, with significant barriers to entry into the industry. This is one of four basic market structures. The other three are perfect competition, monopoly, and monopolistic competition. Oligopoly dominates the modern economic landscape, accounting for about half of all output produced in the economy. Oligopolistic industries are as diverse as they are widespread, ranging from breakfast cereal to cars, from computers to aircraft, from television broadcasting to pharmaceuticals, from petroleum to detergent.

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The Sick State Of HEALTH CARE

Our pedestrian's guide to the economy would be remiss if we failed to stroll past the Shady Valley Memorial Hospital and my very own physician's place of business, the Dr. Dowrimple T. Bedside Family Clinic, to examine the considerable controversy over health care. A debate has raged for years over health care in the United States, including, but not limited to, the quality of services, their cost, their slice of the economic pie, who pays, who doesn't, and who should.
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Today, you are likely to spend a great deal of time going from convenience store to convenience store wanting to buy either a pair of gray heavy duty boot socks or a 50-foot blue garden hose. Be on the lookout for jovial bank tellers.
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This isn't me! What am I?

Ragnar Frisch and Jan Tinbergen were the 1st Nobel Prize winners in Economics in 1969.
"Defeat is simply a signal to press onward."

-- Helen Keller, lecturer, author

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