THIS IS A DIRECTORY PAGE. Britannica does not currently have an article on this topic.
Learn about this topic in these articles:
For practical purposes, it would be useful to know the typical shape of a cycle and how to recognize its peak and trough. A great amount of work has been done in what may be called the morphology of cycles. In the United States, Arthur F. Burns and Wesley C. Mitchell based such studies on the assumption that at any specific time there are as many cycles as there are forms of economic activity...