Economic equilibrium

Definition and stakes

Walter Renton Ingalls,  Current Economic Affairs (1918)

“ If economic conditions were in the old equilibrium we should expect to discover such changes for the worse exhibiting themselves in increasing degree down to the lowest stratum. The economic equilibrium having been disturbed, however, the change in the ratio of division of the produce of industry occurring somewhere around the line of the income tax payers of 1916, we may expect consequently to discover a reversal of experience, at least partially, below that line. ”
Source: Wikisource

Portrait of Leslie Stephen Leslie Stephen,  Social Rights And Duties: Addresses to Ethical Societies…

“ The question of the play of economic forces thus generally reduces itself to a problem which may be thus stated: What are the conditions of industrial equilibrium? How must prices, rates of wages, and profit be related in order that the various classes concerned may receive such proportions of produce as are compatible with the maintenance of the existing system of organisation? If any specified change occurs, if production becomes easier or more difficult, if a tax be imposed, or a regulation of any kind affects previous conditions, what changes will be necessary to restore the equilibrium? ”
Source: Gutenberg

Portrait of Thomas Cool Thomas Cool,  Definition & Reality in the General Theory of Political Economy

“ The solution of this differential equation gives the movement towards equilibrium. Dynamics causes different concepts of equilibrium: depending upon the specification of variables and function, the equilibrium can be market clearing (p°) or the fulfillment of expectations (p*) . Economic agents generally have different speeds of reaction when expectations are not fulfilled. When there are surprises, there can be a ‘trade-off’ between prices and quantities.
Phillipscurve
For the labour market, dynamics implies a relationship between unemployment and the change in wages.
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Source: Gutenberg

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