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EFFICIENT SEARCH: Decreasing marginal search benefit and increasing marginal search cost suggest that the most efficient search lies somewhere between zero effort and complete information. The most efficient level of search effort is given by the equality of marginal search benefit and marginal search cost.
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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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The standard "debt" notation I.O.U. does not mean "I owe you," but actually stands for "I owe unto..."
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"We succeed in enterprises (that) demand the positive qualities we possess, but we excel in those (that) can also make use of our defects." -- Alexis de Tocqueville, Statesman
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JPUBE
Journal of Public Economics
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