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To: Wharf Rat who wrote (159498)2/2/2009 11:04:00 AM
From: Wharf Rat  Read Replies (1) | Respond to of 362366
 
Energy and ecology: why societies really succeed and fail
Dana Visalli, Methow Biodiversity Project
A human society that aspires for long-term sustainability will want to live in accord with basic ecological principles: energy comes from the sun; all resources are constantly cycled such that there is no waste whatsoever; fertile soil is the foundation of terrestrial life; and a sustainable population of a given species is one that is maintained at or within the carrying capacity of the ecosystem.
Message 25377036



To: Wharf Rat who wrote (159498)2/2/2009 11:26:13 AM
From: Wharf Rat  Read Replies (2) | Respond to of 362366
 
The Oil Shock of the 1930s: Another Factor?

The chart above shows the real monthly price of oil from January 1931 to December 1939, using monthly oil prices adjusted for inflation using monthly CPI data, both data series from Global Financial Data (paid subscription required). Between 1931 and 1934, real oil prices more than doubled from $20 to $40 (in 2008 dollars), and peaked at $42.59 by the summer of 1937. The oil shock of the early 1930s was roughly equivalent to the oil shock that resulted in a doubling of oil prices between 1979 and 1981, contributing to an 18-month recession and 10.8% unemployment.

Along with contractionary fiscal policy via tax hikes, contractionary monetary policy, and huge increases in tariffs and trade protection, perhaps it was also the "energy shock of the 1930s" that helped turned what would have been a fairly ordinary recession into the Great Depression?

mjperry.blogspot.com