“warranted growth rate”的概念、定义、翻译、参考文献-科学参考

warranted growth rate

Economics

The rate at which growth must occur in a Harrod–Domar model if it is to be sustainable. If national income is Y, saving is S, and investment is I, saving is assumed to be a constant proportion of income so that S = sY. Investment is assumed to be given by an accelerator model, where investment is given by I = ν‎(dY/dt), where t is time. For ex ante saving and investment to be equal it must be the case that sY = ν‎(dY/dt). This implies that the growth rate of Y must be

$w = (\frac{1}{Y}) (\frac{d Y}{d t}) = \frac{s}{ν} .$

This is the only rate at which equilibrium growth is possible, so long as the saving ratio s and the capital–output ratio ν‎ are taken as fixed.

单词	warranted growth rate
释义	warranted growth rate Economics The rate at which growth must occur in a Harrod–Domar model if it is to be sustainable. If national income is Y, saving is S, and investment is I, saving is assumed to be a constant proportion of income so that S = sY. Investment is assumed to be given by an accelerator model, where investment is given by I = ν‎(dY/dt), where t is time. For ex ante saving and investment to be equal it must be the case that sY = ν‎(dY/dt). This implies that the growth rate of Y must be $w = (\frac{1}{Y}) (\frac{d Y}{d t}) = \frac{s}{ν} .$ This is the only rate at which equilibrium growth is possible, so long as the saving ratio s and the capital–output ratio ν‎ are taken as fixed.
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