Size and duration of empires growth-decline curves, 3000 to 600 b.c.

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" Size and duration of empires growth-decline curves, 3000 to 600 b.c. "
Taagepera, R

Document Type	:	AL
Record Number	:	911145
Doc. No	:	LA6wf6m5qg
Title & Author	:	Size and duration of empires growth-decline curves, 3000 to 600 b.c. [Article]\ Taagepera, R
Date	:	1978
Title of Periodical	:	UC Irvine
Abstract	:	Area changes of about 30 best known empires and states are compiled and tabulated. Superimposed and juxtaposed graphs (size versus time) help to visualize the relative size and location in time of these empires. Size-time integral, maximum stable size, adulthood date, and duration are defined operationally and are listed for 20 empires. A criterion is given for distinctness of successive empires. The size-time integral is a direct measure of an empire's impact on history insofar as that impact depends on sheer size and duration. The integral is largest for the Chinese Hsia-Shang, Egyptian New, Old, and Middle, Assyrian New, and Hittite empires. A world-wide territorial concentration index is tabulated. It increases during the period considered from 0.08 to 1.4% of the world dry land area. © 1978.