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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Our pedestrian excursion gives us a ground-level view of the economy, but it's certainly slow and time-consuming. If you're like me, you've probably thought once or twice about jumping into an Omni Motors XL GT 9000 sports coupe to speed us along the way. Or perhaps an Omni Airlines 30-day tourist excursion would make our trip faster and less exhausting. That's one nice thing about modern transportation, it's pretty quick and not too expensive. It also helps us get a whole lot closer to solving the unsolvable problem of scarcity. However, for a really good pedestrian view of transportation and how it helps us along, we'd better remain on foot.
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Today, you are likely to spend a great deal of time at a flea market seeking to buy either a handcrafted bird house or a weathervane with a chicken on top. Be on the lookout for bottles of barbeque sauce that act TOO innocent.
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-- Lily Tomlin, Actress

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