| 单词 | perfect information |
| 释义 | > as lemmasperfect information perfect information n. (a) (in game theory) the property of certain games by which each player has complete knowledge of all the events which have so far occurred; (b) Economics a (hypothetical) situation in which each participant in a market has complete, instantaneous information about products and prices; cf. imperfect information n. at imperfect adj. and n. Compounds. In game theory, perfect information can only occur in games in which the participants take turns one after the other. ΚΠ 1944 J. Von Neumann & O. Morgenstern Theory of Games iii. 126 All zero-sum two-person games, in which perfect information prevails, are strictly determined. 1952 Proc. Ann. Meeting (Western Farm Econ. Assoc.) 25 44 In a hypothetical world where conditions of certainty and perfect information exist, the problem of capital accumulation would not arise. 1989 M. Schneider Competitive City (1991) iii. 48 In a market with perfect information, the power of bureaucrats is reduced. 2010 L. Floridi Information: Very Short Introd. vii. 97 Tic-tac-toe and chess..well illustrate a more formal definition of perfect information. 2015 RAND Jrnl. Econ. 46 218 We assume throughout the article that the negotiation between the buyer and the rival takes place under perfect information and is efficient. < as lemmas |
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