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location quotient

  The ratio of a quantitative value for a defined area to a specified norm. Location quotients are used to describe the relative concentration of an activity or group in one section of a larger area, using the formula:

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|||Thus if the percentage voting Labour in the whole of Great Britain was 43.3 whereas in Scotland it was 49.7, the location quotient for Scotland would be  49.7/43.3 = 1.148

A quotient over 1.0 indicates that the activity is more concentrated in the segment relative to the whole, whereas one less than 1.0 indicates its relative absence there. (RJJ)
Si|is the value for segment i;|
A|is the value for the total area; and|
LQi|is the location quotient for section i|



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Other Terms : shift-share model | optimum population | census tract
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