The Economic cycles reference article from the English Wikipedia on 24-Jul-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Economic cycles

Economic cycles are ups and downs in various parts of the economy that tend to repeat at fairly regular time intervals. Some economists dispute the existence of some of these cycles while others recognise them as a valid basis of studying the state of the economy.

Some economic cycles have been named after their discoverers or proposers:

• Kitchen cycle in consumer goods (3 to 5 years) Joseph Kitchen
• Juglar cycle in capital formation (8 to 10 years) Clement Juglar
• Kuznets cycle in construction (15 to 20 years) Simon Kuznets, Nobel Laureate
• Kondratieff cycle of depressions (50 to 55 years) Nikolai Kondratieff

The Kitchin cycle may be a conglomerate of several cycles of similar periods affecting business activity and sharemarkets.

Ed Dewey who formed The Foundation for the Study of Cycles studied cycles in everything including economic data. Based on Dewey's periods the cycles average periods are Kondratieff 53.3 years, Kuznets 17.75 years, Juglar 8.88 years, Kitchen an interaction of 2.96 years, 4.44 years and 3.39 years.

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