有爭(zhēng)議的問(wèn)題是, 公共商品或外在化商品都隱人了荒野保護(hù)的問(wèn)題中.Arguably, both are involved in wilderness preservation.而且, 也出現(xiàn)了外在化問(wèn)題.Furthermore, externalities are also present.正如前文所述,當(dāng)出現(xiàn)公共商品或外在化商品時(shí), 市場(chǎng)機(jī)制就會(huì)失去效用.As we saw earlier, the market mechanism b...