Thompson face a bleak future anywhere if they remain in the local school system through graduation. Inter-generational ties and a conflict of interest, with decisions made by unsophisticated parents, is clearly non-optimal from a social point of view. At the opposite end of the city size spectrum, very large urban areas probably do not slow in growth as much as they should under the pure market model, because migration is characterized by a decided asymmetry. Large cities appeal more to the affluent because they offer much greater consumer choice, especially to the more educated element seeking the more esoteric offerings, and to the young adult with a thirst for adventure and an unlimited faith in his (her) potential to win big in the biggest arenas. But these are also the more mobile persons, so that those who prefer big cities tend to move to them. With time and aging, the pre-ferred life styles tend to shift more in line with the environ-ment of smaller places, but the elderly tend not to move easily due to sunken investments in homes, friends and local institutions and due also to the shorter remaining life over which the cost of moving must be recaptured. Note that one can hardly keep from "choosing to live in a

DOI link for Thompson face a bleak future anywhere if they remain in the local school system through graduation. Inter-generational ties and a conflict of interest, with decisions made by unsophisticated parents, is clearly non-optimal from a social point of view. At the opposite end of the city size spectrum, very large urban areas probably do not slow in growth as much as they should under the pure market model, because migration is characterized by a decided asymmetry. Large cities appeal more to the affluent because they offer much greater consumer choice, especially to the more educated element seeking the more esoteric offerings, and to the young adult with a thirst for adventure and an unlimited faith in his (her) potential to win big in the biggest arenas. But these are also the more mobile persons, so that those who prefer big cities tend to move to them. With time and aging, the pre-ferred life styles tend to shift more in line with the environ-ment of smaller places, but the elderly tend not to move easily due to sunken investments in homes, friends and local institutions and due also to the shorter remaining life over which the cost of moving must be recaptured. Note that one can hardly keep from "choosing to live in a

Thompson face a bleak future anywhere if they remain in the local school system through graduation. Inter-generational ties and a conflict of interest, with decisions made by unsophisticated parents, is clearly non-optimal from a social point of view. At the opposite end of the city size spectrum, very large urban areas probably do not slow in growth as much as they should under the pure market model, because migration is characterized by a decided asymmetry. Large cities appeal more to the affluent because they offer much greater consumer choice, especially to the more educated element seeking the more esoteric offerings, and to the young adult with a thirst for adventure and an unlimited faith in his (her) potential to win big in the biggest arenas. But these are also the more mobile persons, so that those who prefer big cities tend to move to them. With time and aging, the pre-ferred life styles tend to shift more in line with the environ-ment of smaller places, but the elderly tend not to move easily due to sunken investments in homes, friends and local institutions and due also to the shorter remaining life over which the cost of moving must be recaptured. Note that one can hardly keep from "choosing to live in a