An important condition was the transition from a subsistence economy to a monetary economy.

一个重要的条件是从自给经济向货币经济的转变。

But as soon as we pass to the problem of what determines output and employment as a whole, we require the complete theory of a monetary economy.

但是，一旦我们谈到什么决定了整个产出和就业的问题，我们就需要完整的货币经济理论。

So long as there exists any durable asset, it is capable of possessing monetary attributes and, therefore, of giving rise to the characteristic problems of a monetary economy.

只要存在任何耐用资产， 它就能够具有货币属性， 从而产生货币经济的特征问题。

But, although the theory of shifting equilibrium must necessarily be pursued in terms of a monetary economy, it remains a theory of value and distribution and not a separate 'theory of money'.

但是，尽管移动均衡理论必须从货币经济的角度进行研究，但它仍然是一种价值和分配理论，而不是一种单独的“货币理论”。