Economic theory and exhaustible resources dasgupta & heal .

经济理论和可枯竭资源。

Study on effect of taxes expectation on exhaustible resources extraction .

可耗竭资源开采中的资源税征收预期影响研究。

It is clear that mally of the earth 's resources are exhaustible .

很明显，地球上的许多种资源将耗尽枯竭。

However , natural resouces are not in exhaustible .

然而，自然资源并非取之不尽，用之不竭。

But it is still an exhaustible resource , subject to the whims of international commodity markets , and carries potentially high environmental costs .

但它仍属于一种不可再生资源，容易受到国际大宗商品市场波动的影响，而且其环境成本可能很高。