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初めまして。一緒に勉強させて下さい。
挿入句ですが「もし本当で、ranchersが知っていたら」ですね。
D)では公共地が私有地に比べてコストがかかる状況が書かれてい
ます。ranchersがこれを知っていたら私有地を優先して使います
ね。これは本文の、ranchersが私有地よりも公共地を利用すると
いう予想に反して公共地が荒れていなかったことの説明になりま
す。
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ご指摘のとおり、選択肢が間違っておりました。宜しくお願いします。
まず質問の＜if true and known by the ranchers＞という挿入句部分の訳がわかりません。また、OG解説には<D indicates that,contrary to Hardin's claim,it is in each rancher's self-interest not to overuse common land,which would explain why common lands are in relatively good shape.> とあるのですが、問題文が理解できていないせいなのかこれをよんでも正解がDである理由がわかりません。
どなたか教えて下さい。宜しくお願いします。
Hardin argue that grazing land held in common(that is, open to any user) would always be used less carefully than private grazing land.Each rancher would be tempted to overuse common land because the benefits would accrue to the individual,while the costs of reduced land quality that results from overuse would be spread among all users.But a study comparing 217 million acres of common grazing land with ree million acres of private grazing land showed that the common land was in better condition.
Which of the following, if true and known by the ranchers, would best help explain the results of the study?
A)With private grazing land, both the costs and the benefits of overuse fall to the individual user.
B)The cost in reduced land quality that is attributable to any individual user is less easily measured with common land than it is with private land.
C)An individual who overuses common grazing land might be able to achieve higher returns than other users can, with the result that he or she would obtain a competitive advantage.
D)If one user of common land overuses it even slightly, the other users are likely to do so even more, with the consequence that the costs to each user outweigh the benefits.
E)There are more acres of grazing land held privately than there are held in common.
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