Charles Dunoyer
Barthélemy-Charles-Pierre-Joseph Dunoyer de Segonzac (20 May 1786, Carennac, Quercy (now in Lot) - 4 December 1862, Paris) was a French liberal economist.
Dunoyer gave one of the earliest theories of economic cycle, building on the theory of periodic crises of Jean Charles Léonard de Sismondi, and introducing the notion of the economy periodically cycling between two phases.
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