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Name your price

机译:说出你的价格

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IF YOU VISIT Uluwatu temple in Bali, beware. The long-tailed macaques there are well-known thieves. Since time out of mind they have made a living by robbing visitors of their possessions and then holding those objects hostage until a ransom in the form of food is paid. That is quite clever. But Jean-Baptiste Leca of the University of Lethbridge, in Canada, wondered whether these monkeys are cleverer still. Sometimes, they do not accept the first offer and hold out for more. He therefore asked himself whether they are able to assess how valuable an object is to its owner, and factor that into their negotiations. Laboratory experiments conducted in the past with various species of monkey and ape suggest such primates can indeed attach a value to something intrinsically worthless to them, like a coloured plastic counter, by learning that tokens of this sort may be exchanged for food, and that different types of token bring different rewards, not all of them equally valued by the animal (a desirable grape versus an undesirable piece of cucumber, for example). That, though, is an artificial protocol in an artificial setting. The macaques of Uluwatu are true wild animals, albeit ones that are familiar with, and comfortable in the presence of, human beings.
机译:如果您在巴厘岛访问Uluwatu Temple,请小心。长尾猕猴有着名的盗贼。自从失去心灵以来,他们通过抢劫他们的财产的游客来谋生,然后举起这些物体的人质,直到赎金以食物的形式得到支付。这很聪明。但莱斯布里奇大学的Jean-Baptiste Leca在加拿大,想知道这些猴子是否仍然聪明。有时,他们不接受第一个提议并抓住更多。因此,他是否能够评估对其对其所有者的价值有价值的评估,以及谈判的因素。过去的实验室实验与各种各样的猴子和猿类建议这样的灵长类动物确实可以将价值与它们的内在毫无价值的东西附加,就像一个彩色塑料计数器,通过学习这种类型的令牌来换成食物,而且不同令牌的类型带来不同的奖励,并非所有这些奖励都是由动物同样重视的所有奖励(例如,一种理想的葡萄与不希望的黄瓜片)。但是,这是人工设置中的人工协议。 Uluwatu的猕猴是真正的野生动物,虽然是熟悉的,并且在人类存在的情况下舒适。

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    《The economist》 |2021年第9228期|共1页
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