单词 | comparative statics |
释义 | comparative statics The analysis of how the equilibrium position in an economic model would change if the assumptions of the model were altered. Such changes can affect exogenously given quantities, for example a country's population, or parameters decribing behaviour, for example the propensity to save. ‘Comparative’ indicates that two or more equilibrium states of the economy are being compared. ‘Statics’ indicates that each state is simply considered as an equilibrium. Comparative statics is contrasted with dynamics, which analyses how the economy would react to a change in the assumptions, and considers whether and how fast a new equilibrium would be approached. Many economists argue that comparative statics models are only of interest if some dynamic process exists by which the economy could get from an old equilibrium to a new one. |
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