ã—ã£ãºè¿”ã—戦略ã®å„ªä½ã¯å¹»æƒ³ã§ã‚ã‚‹ | wrong, rogue and log3æ—¥å‰ã®ã‚¨ãƒ³ãƒˆãƒªã§ã€Dreber, A. et al.ã®"Winners don't punish"を紹介ã—ãŸã®ã ãŒã€ãã®ã¨ãã«Axelrodã®æœ‰åãªã€Œã—ã£ãºè¿”ã—戦略("Tit for Tat strategy")ã€ã«ã¤ã„ã¦è§¦ã‚ŒãŸã€‚ã˜ã¤ã¯ã€ãã®ã—ã£ãºè¿”ã—戦略ã¯ã€çœŸã£å½“ãªã‚²ãƒ¼ãƒ ç†è«–家ã«ã¨ã£ã¦ã¯ã€ãŠç¬‘ã„話ã®å¹»æƒ³ã«ã™ãŽãšã€æ±ºã—ã¦ä»–を圧倒ã™ã‚‹ã‚ˆã†ãªæˆ¦ç•¥ã«ãªã‚Šå¾—ãªã„ã®ã¯å¸¸è˜ã§ã‚ã‚‹ã€ã¨ã„ã†è©±ã€‚ ã“ã®è©±ã¯ã€Tim Harfordã®ãƒ–ãƒã‚°çµŒç”±ã§ã€ã‚²ãƒ¼ãƒ ç†è«–ã®æ¨©å¨ã§ã‚ã‚‹Ken Binmoreã®Axelrodã®æœ¬ã«å¯¾ã™ã‚‹æ›¸è©•ã«ã‚ã£ãŸã€‚ãªã‚“ã¨ã“ã®æ›¸è©•ã¯10å¹´å‰ã«æ›¸ã‹ã‚ŒãŸã‚‚ã®ã 。ã¾ã•ã«è’™ã‚’å•“ã‹ã•ã‚Œã‚‹ã¨ã¯ã“ã®ã“ã¨ã‹ã€‚ 実際ã«ç¶²ç¾…çš„ãªã‚·ãƒŸãƒ¥ãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã‚’è¡Œã†ã¨ã€ã—ã£ãºè¿”ã—戦略ãŒç”Ÿã残るã®ã¯20%未満ã€ãれもä¸é–“状態ã®ä¸€æ™‚çš„ç¾è±¡ã«ã™ãŽãšã€çµå±€æœ€çµ‚çš„ã«ã¯ã€Œãšã‚‹ã„戦略ã€ãŒå‹ã¡æ®‹ã£ã¦ã—ã¾ã†ãã†ãªã®ã 。Probst, D. 19
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