“Business cycles are a type of fluctuation found in the aggregate activity of nations that organize their work mainly in business enterprises: a cycle consists of expansions occurring at about the same time in many economic activities, followed by similarly general recessions, contractions, and revivals which merge into the expansion phase of the next cycle; this sequence of changes is recurrent but not periodic; in duration business cycles vary from more than one year to ten or twelve years; they are not divisible into shorter cycles of similar character with amplitudes approximating their own.”
Arthur F. Burns and George W. Mitchell (1946). Measuring business cycles. New York: National Bureau of Economic Research. p. 3; Cited in: Robert J. Gordon, ed. The American Business Cycle: Continuity and Change, 1986. p. 2
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Arthur F. Burns 5
American economist and diplomat 1904–1987Related quotes

Inflation vs. Unemployment, An Address by the Honourable Paul T. Hellyer, Curran Hall Limited, Toronto, February 20th, 1958
Source: Business Fluctuations (1952), p. 340; as cited in: Thomas Cate (2013), An Encyclopedia of Keynesian Economics, Second edition. p. 347

The Crisis of Capitalist Democracy (2010) Ch. 10 The Crisis of Macroeconomics.

Statements such as these are made with alarming frequency by investment professionals. In some cases, subtle and sophisticated reasoning may be involved. More often (alas), the conclusions can only be justified by assuming that the laws of arithmetic have been suspended for the convenience of those who choose to pursue careers as active managers.
William F Sharpe, "The arithmetic of active management." Financial Analysts Journal 47.1 (1991): 7-9.