假设一种稀缺资源面临的需求保持不变,它将在10年内耗尽。如果替代资源要按40美元的价格才可得到
Suppose that a scarce resource,facing a constant demand,will be exhausted in 10 years.If an alternative resource will be available of a price of $ 40 and if the interest rate is 10%,what must the price of the scarce resource be today?