在纯粹竞争条件下，正象十九世纪后期的经济学家马歇尔揭示的那样，加入和离开决定某一工业部门的长期平衡。

In pure competition, AS expounded by the late-nineteenth-century economist Marshall, entry and exit determine the long-run equilibrium of an industry.

youdao

在纯粹竞争条件下，正象十九世纪后期的经济学家马歇尔揭示的那样，加入和离开决定某一工业部门的长期平衡。

In pure competition, AS expounded by the late-nineteenth-century economist Marshall, entry and exit determine the long-run equilibrium of an industry.

youdao