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Thermoeconomics
Beyond the Second Law

Peter A. Corning, Ph.D.
Institute for the Study of Complex Systems
119 Bryant Street, Suite 212
Palo Alto, CA 94301 USA

Phone: (650) 325-5717
Fax: (650) 325-3775
Email: pacorning@complexsystems.org

In Press: JOURNAL OF BIOECONOMICS

"Horse manure does not explain a horse."
Stephen Jay Kline

Physicist Erwin Schrodinger's What is Life? (1945) has inspired many subsequent efforts to explain biological evolution, especially the evolution of complex systems, in terms of the Second Law of Thermodynamics and the concepts of "entropy" and "negative entropy." However, the problems associated with this paradigm are manifold. Some of these problems will be highlighted in the first part of this paper, and some of the theories that have been derived from it will be briefly critiqued. "Thermoeconomics", by contrast, is based on the proposition that the role of energy in biological evolution should be defined and understood not in terms of the Second Law but in terms of such economic criteria as "productivity," "efficiency," and especially the costs and benefits (or "profitability") of the various mechanisms for capturing and utilizing available energy to build biomass and do work. Thus thermoeconomics is fully consistent with the Darwinian paradigm. Furthermore, it is argued that economic criteria provide a better account of the advances (and recessions) in bioenergetic technologies than does any formulation derived from the Second Law.

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