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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Tragedy of the commons ： ウィキペディア英語版 Tragedy of the commons The tragedy of the commons is a term, probably coined originally by William Forster Lloyd and later used by Garrett Hardin, to denote a situation where individuals acting independently and rationally according to each's self-interest behave contrary to the best interests of the whole group by depleting some common resource. The concept was based upon an essay written in 1833 by Lloyd, the Victorian economist, on the effects of unregulated grazing on common land and made widely-known by an article written by Hardin in 1968. "Commons" in this sense has come to mean such resources as atmosphere, oceans, rivers, fish stocks, an office refrigerator, energy or any other shared resource which is not formally regulated, not common land in its agricultural sense. The tragedy of the commons concept is often cited in connection with sustainable development, meshing economic growth and environmental protection, as well as in the debate over global warming. It has also been used in analyzing behavior in the fields of economics, evolutionary psychology, anthropology, game theory, politics, taxation, and sociology. However the concept, as originally developed, has also received criticism for not taking into account the many other factors operating to enforce or agree on regulation in this scenario. ==Lloyd's pamphlet== In 1833, the English economist William Forster Lloyd published a pamphlet which included an example of herders sharing a common parcel of land on which they are each entitled to let their cows graze. In English villages, shepherds had sometimes grazed their sheep in common areas, and sheep ate grass more severely than cows. He suggested overgrazing could result because for each additional sheep, a herder could receive benefits, while the group shared damage to the commons. If all herders made this individually rational economic decision, the common could be depleted or even destroyed, to the detriment of all. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Tragedy of the commons」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.