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| | Chapter 8-Hoover and Giarratani (Site not responding. Last check: 2007-10-09) |
 | | If the growth of an urban area persists long enough to raise the area to some critical size (a quarter of a million population?) structural characteristics, such as industrial diversification, political power, huge fixed investments, a rich local market, and a steady supply of industrial leadership may almost ensure its continued growth. |
 | | The urban activity is subject to substantial agglomeration economies (internal, external, or both), but it can use land intensively and requires a relatively insignificant amount of space. |
 | | But because of external economies of agglomeration and the economies of channeling transfer along high-volume routes, many different kinds of trade are conducted in a single central place; and instead of a separate set of centers to handle each product, there is evolved a rough hierarchy of central places. |
| www.rri.wvu.edu /WebBook/Giarratani/chaptereight.htm (11155 words) |
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