Samuelson's Multiplier-Accelerator model is based on the economic mistake of adding together desired investment and actual savings to derive aggregate expenditure, when it is the sum of actual investment and actual savings. Its fluctuations are not a model of the business cycle, but convergence...

This paper examines the literature on the periodical recurrence of economic crises up to the 1840s, illustrating how the awareness of this phenomenon was far more widespread than the few existing histories of business cycle theories indicate, and also that early writers were more interested in...

This article examines the contribution of Clément Juglar to the theory of periodic crises in the context of the evolution of the doctrine towards the middle of the nineteenth century. Juglar's original contribution (1862) and its evolution to the final form of his doctrine are described in...

This chapter surveys the classificatory approaches of business cycles and crises theories found in dictionary articles. These are found to belong to a surprisingly small number of types. At first, dictionary writers only cited the theories they wanted to disprove. Then (especially in Germany in...