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PERFECT COMPETITION AND DEMAND: The demand curve for the output produced by a perfectly competitive firm is perfectly elastic at the going market price. The firm can sell all of the output that it wants at this price because it is a relatively small part of the market. As a price taker, the firm has no ability to charge a higher price and no reason to charge a lower one. The market price facing a perfectly competitive firm is also the firm's average revenue and, most importantly, its marginal revenue.

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INCREASING RETURNS TO SCALE

A given proportional change in all resources in the long run results in a proportional greater change in production. Increasing returns to scale exists if a firm increases ALL resources--labor, capital, and other inputs--by a given proportion (say 10 percent) and output increases by more than this proportion (that is more than 10 percent). This is one of three returns to scale. The other two are decreasing returns to scale and constant returns to scale.

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Today, you are likely to spend a great deal of time strolling around a discount warehouse buying club hoping to buy either a T-shirt commemorating Thor Heyerdahl's Pacific crossing aboard the Kon-Tiki or a wall poster commemorating the 2000 Olympics. Be on the lookout for the last item on a shelf.
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The average bank teller loses about $250 every year.
"Failure is the opportunity to begin again, more intelligently. "

-- Henry Ford, automobile manufacturer

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