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ELASTICITY ALTERNATIVES, DEMAND: The price elasticity of demand can fall into one of five categories--perfectly elastic, relatively elastic, unit elastic, relatively inelastic, and perfectly inelastic--based on the coefficient of elasticity. These five elasticity alternatives form a continuum ranging from perfectly elastic at one end to perfectly inelastic at the other. The "middle" of this continuum is occupied by unit elastic. in that the "unit" and the two "perfectly" are really borders, boundaries, and endpoints, most of the real world action involving the price elasticity of demand takes place in the two "relatively" alternatives--relatively elastic and relatively inelastic.
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ASYMMETRIC INFORMATION Information is not equally available to everyone. Asymmetric information results because efficient information search inevitably stops short of compete information. Some people obtain more benefits from information than others, are willing to incur higher search costs, and thus end up knowing more. Or they incur lower information search costs and have easier access to the information. In a market, sellers tend to have more information about the good than buyers. Asymmetric information gives rise to adverse selection, moral hazard, and the principal-agent problem. These problems can be lessened through signalling and screening.
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There were no banks in colonial America before the U.S. Revolutionary War. Anyone seeking a loan did so from another individual.
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"Each of us is issued but one life, and we know full well how it all ends. It would be regrettable to squander this one chance on someone else's appearance, someone else's experience. " -- Joseph Brodsky, Writer
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JPUBE
Journal of Public Economics
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