P=NPã§ã‚ã‚‹ã“ã¨ãŒåŠ¹çŽ‡çš„å¸‚å ´ä»®èª¬æˆç«‹ã®å¿…è¦å分æ¡ä»¶ - himaginary’s diaryã¨ã„ã†ã‚¿ã‚¤ãƒˆãƒ«ã®è«–文（原題ã¯ã€ŒMarkets are efficient if and only if P = NPã€ï¼‰ãŒå°‘ã—å‰ã®Marginal Revolutionã§ç´¹ä»‹ã•ã‚Œã¦ã„ãŸ*1。ãŸã ã—エントリã®URLã¯ã€Œjust-dont-claim-i-said-this-was-trueã€ã¨ãªã£ã¦ãŠã‚Šã€å–り上ã’ãŸã‚¿ã‚¤ãƒ©ãƒ¼ãƒ»ã‚³ãƒ¼ã‚¨ãƒ³è‡ªèº«ã¯ã€è«–æ–‡ãŒæ£ã—ã„ã¨è£ä»˜ã‘ã—ãŸã‚ã‘ã§ã¯ãªã„よã€ã¨ä½†ã—書ãを付ã‘ãŸæ ¼å¥½ã«ãªã£ã¦ã„る。 以下ã«ã‚³ãƒ¼ã‚¨ãƒ³ãŒå¼•ç”¨ã—ãŸè¦æ—¨ã‚’紹介ã—ã¦ãŠã。 I prove that if markets are weak-form efficient, meaning current prices fully reflect all information available in past prices, then P = NP, meaning every computational
スティグリッツã®é«˜é »åº¦å–引批判 - himaginary’s diary
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