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Complexity, Diminishing Marginal Returns, and Serial Mesopotamian Fragmentation

Journal of World-Systems Research

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Title Complexity, Diminishing Marginal Returns, and Serial Mesopotamian Fragmentation
 
Creator Thompson, William R.
 
Description Following up on an earlier paper demonstrating statistically significant relationships between measures of recurring political-economic crises (hinterland incursions, trade collapses, economic contractions, and regime transitions) and a measure of climate deterioration (the interaction of falling Tigris-Euphrates river levels and years of warming/ drying), the inter-relationships among these variables are examined more closely for the 34001000 bce period. Theoretically focused on a test of Tainters diminishing marginal return theory of societal collapse, additional indicators are introduced encompassing population (urban population size, urban popula-tion growth rate) as a proxy for diminishing marginal returns, two measures of centralization/ fragmentation (including imperial size), and the indicators used for the climate interaction term in the earlier paper. The multivariate logit outcome for interactions among and between the 11 variables reinforces the earlier findings linking climate deterioration to political-economic crises, extends the climate deterioration linkage to fragmentation and population decline, and finds relatively strong support for the Tainter derived expectation that diminishing marginal returns and fragmentation are closely linked but that both are less closely linked to recurring political-economic crises than might otherwise have been anticipated.
 
Publisher University Library System, University of Pittsburgh
 
Date 2015-08-26
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
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Format application/pdf
 
Identifier http://jwsr.pitt.edu/ojs/index.php/jwsr/article/view/288
10.5195/jwsr.2004.288
 
Source Journal of World-Systems Research; Volume 10, Issue 3, 2004; 613-652
1076-156X
 
Language eng
 
Relation http://jwsr.pitt.edu/ojs/index.php/jwsr/article/view/288/300
 
Rights Copyright (c) 2015 William R. Thompson
http://creativecommons.org/licenses/by/4.0