It does not cost much to scrape it up, and the expense comes in moving costs from mine to market. Even so, Australia can produce iron ore for $25 a tonne.
开采成本本身不高,而且外部投资正在将成本从矿山转移到市场。即便如此,澳大利亚可以以每吨25澳元的价格成本生产铁矿石。
Selling can also mean moving costs and lawyers' fees.
出售也要产生搬迁费和律师费。
To maximize the whole utility in life cycle, households need to weigh moving costs and loss of utility caused by unmoving.
为了最大化整个生命周期的效用,家庭通常需要权衡迁居的交易成本和不迁居的效用损失。
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