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SCARCE: The general condition indicating that a good or resource is limited relative to the what people want. In terms of ALL resources and goods throughout society, the related term scarcity is used. Being scarce is what makes it possible to exchange goods and resources through markets, and most importantly, charge a price. If a good is not scarce, which means that the economy has more than enough to satisfy all available uses, then there is no way to sell it. Who would buy such an item, pay a price for it, give up something of value in exchange for it, when it is so abundant? Likewise, if a item is so abundant, using it to satisfy one use does not impose an opportunity cost on other uses.
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Lesson 16: Perfect Competition | Unit 4: Long-Run Equilibrium
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Page: 22 of 28
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Topic:
Equilibrium Conditions
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- The conditions for perfect competition:
- Profit maximization:
MR = SRMC = LRMC. - Normal profit:
P = SRATC = LRAC.
- Let me also include the condition that exists because a firm is perfectly competitive:
- Perfect competition:
P = MR = AR.
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MARKET FOR LEMONS A market adversely selects only lower quality products for exchange. The market for lemons is an illustration of adverse selection that results from asymmetric information. In this market, because buyers have limited information they offer an average price based on the average quality of the goods. Sellers, however, with better information select to sell lower quality products but not higher quality ones. Two methods of address this problem are signalling and screening. Two related information problems are moral hazard and the principal-agent problem.
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PINK FADFLY
[What's This?]
Today, you are likely to spend a great deal of time at a going out of business sale hoping to buy either a handcrafted bird feeder or a New York Yankees baseball cap. Be on the lookout for the happiest person in the room.
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One of the largest markets for gold in the United States is the manufacturing of class rings.
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"Lord, where we are wrong, make us willing to change; where we are right, make us easy to live with. " -- Peter Marshall, US Senate chaplain
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OCC
Office of the Comptroller of the Currency
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