ourfiniteworld | The economy is something that grows through the “dissipation” of energy. Examples of dissipation of energy include the digestion of food to give energy to humans, the burning of fossil fuels, and the use of electricity to power a light bulb. A rise in world energy consumption is highly correlated with growth in the world economy. Falling energy consumption is associated with economic contraction.
In physics terms, the world economy is a dissipative structure, just as all plants, animals and ecosystems are. All dissipative structures have finite lifespans, including the world economy.
This finding is not well known because academic researchers seem to operate in ivory towers. Researchers in economic departments aren’t expected to understand physics and how it applies to the economy. In fairness to academia, the discovery that the economy is a dissipative structure did not occur until 1996. It takes a long time for findings to filter through from one department to another. Even now, I am one of a very small number of people in the world writing about this issue.
Also, economic researchers are not expected to study the history of the many smaller, more-localized civilizations that have collapsed in the past. Typically, the population of these smaller civilizations increased at the same time as the resources used by the population started to degrade. The use of technology, such as dams to redirect water flows, may have helped for a while, but eventually this was not enough. The combination of declining availability of high quality resources and increasing population tended to leave these civilizations with little margin for dealing with the bad times that can be expected to occur by chance. In many cases, such civilizations collapsed after disease epidemics, a military invasion, or a climate fluctuation that led to a series of crop failures.
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