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The research by John Sterman finds that the so-called commodity cycles arise in many commodity markets. [5] For example, price and production cycles in markets of hog, cattle and copper span 4 years, 10–12 years and 8–10 years each in average respectively.
Social cycle theories are among the earliest social theories in sociology.Unlike the theory of social evolutionism, which views the evolution of society and human history as progressing in some new, unique direction(s), sociological cycle theory argues that events and stages of society and history generally repeat themselves in cycles.
Animal migration – Avalanche – Carbon cycle – Climate change – Climate change and agriculture – Climate model – Climate oscillation – Clock of the Long Now – Ecology – El Niño/La Niña – Endometrium – Environmental geography – Global cooling – Global warming – Historical temperature record – Hydrogen cycle – Ice age – Transhumance – Milankovitch cycles ...
Cyclical stocks are closely linked to the macroeconomic conditions while non-cyclical, or defensive stocks, remain relatively unaffected by economic fluctuation. These types of stocks behave under ...
In the United States, the National Bureau of Economic Research oversees a Business Cycle Dating Committee that defines a recession as "a significant decline in economic activity spread across the market, lasting more than a few months, normally visible in real GDP, real income, employment, industrial production, and wholesale-retail sales." [1]
The Strauss–Howe generational theory, devised by William Strauss and Neil Howe, describes a theorized recurring generation cycle in American and Western history. According to the theory, historical events are associated with recurring generational personas (archetypes).
Nonetheless, the cycle of formulating hypotheses, testing and analyzing the results, and formulating new hypotheses, will resemble the cycle described below. The scientific method is an iterative, cyclical process through which information is continually revised.
The cyclical theory refers to a model used by historians Arthur M. Schlesinger Sr. and Arthur M. Schlesinger Jr. to explain the fluctuations in politics throughout American history. [1] [2] In this theory, the United States's national mood alternates between liberalism and conservatism. Each phase has characteristic features, and each phase is ...