Journal
ECONOMICS LETTERS
Volume 92, Issue 2, Pages 256-262Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.econlet.2006.03.004
Keywords
Zipf law; rank-size; spurious
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The Zipf law, which states that that the rank associated with some size S is proportional to S to some negative power, is a regularity observed in natural and social sciences. One popular application of the Zipf law is the relationship between city sizes and their ranks. This paper examines the rank-size relationship through Monte Carlo simulations and two examples. We show that a good fit (indicated by a high R 2 value) can be found for many statistical distributions. The Zipf law's good fit is a statistical phenomenon, and therefore, it does not require an economic theory that determines city-size distributions. (c) 2006 Elsevier B.V. All rights reserved.
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