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Title:A bioeconomic foundation of the Malthusian equilibrium : body size and population size in the long-run PDF Logo
Authors:Dalgaard, Carl-Johan
Strulik, Holger
Issue Date:2007
Series/Report no.:Discussion papers // School of Economics and Management of the Hanover Leibniz University 373
Abstract:This paper develops a bioeconomic Malthusian growth model. By integrating recent research on allometric scaling, energy consumption and ontogenetic growth, we provide a model where subsistence consumption is endogenously linked to body size and fertility. The theory admits a unique Malthusian equilibrium in a two-dimensional state space characterized by population density and body size (metabolic rate) of the representative adult. As a result, the analysis allows us to examine the link between human biology, economic productivity, body size, and population size. Off the steady-state we investigate the possibility of cyclical behavior of the size of a population and the size of its representative member over the very long-run. We also demonstrate that a take-o? into sustained growth should be associated with increasing income, population size and body size. The increase in the latter is, however, bounded and can be viewed as convergence to a biologically determined upper limit.
Subjects:Subsistence
Nutrition
Metabolism
Population Growth
Ontogenetic Growth
Malthus
JEL:O11
I12
J13
Document Type:Working Paper
Appears in Collections:Diskussionspapiere, Wirtschaftswissenschaftliche Fakultät, Universität Hannover

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