*ÇØ¼³: ¾Ç·É¿¡ Ȧ·Á Á×À½ÀÇ ÃãÀ» Ãß´Â ³ª¶ó
Çѱ¹¿¡¼ êæìéãê(À¯ÀϽÅ)ÀÇ ±âµ¶±³µµ ºÎ·¯¿öÇÒ¸¸ÇÑ ãêá¡ÜôʦöÕ(½Å¼ººÒ°¡Ä§)ÀÇ »ç»óÀÌ Çϳª ÀÖÀ¸´Ï ±×°ÍÀº ¹ÎÁÖÁÖÀǶó´Â °ÍÀÌ´Ù. ±× ¾î¶² ´©±¸µµ ¾î¶² Á¤Ä¡¼ºÇâÀ̵ç ÅõÇ¥¸¦ ÅëÇÑ ´Ù¼öÁö¹èÀÇ »ç»ó¿¡ µµÀüÇÒ ¼ö´Â ¾ø´Ù. ¸ðµç »ç¶÷ÀÌ ¹ÎÁÖÁÖÀÇ¿¡ ãê°ú °°Àº Àý´ëÀûÀÎ ±ÇÀ§¸¦ ºÎ¿©Çϰí Àֱ⠶§¹®ÀÌ´Ù. ¹ÎÁÖÁÖÀÇ´Â Çູ°ú ¹ø¿µÀ» °¡Á®´ÙÁشٰí ÇÑ´Ù. °³¹ßµµ»ó±¹ÀÌ¶óµµ ¹ÎÁÖÁÖÀǸ¸ ¹Þ¾ÆµéÀÌ¸é ¼ºÎ À¯·´ÀÇ ³ª¶óµé¸¸Å °øÁ¤ÇÏ°í ¿ì¾ÆÇϸç Á¤ÀÇ·Ó°í ÇÕ¸®ÀûÀÎ ³ª¶ó°¡ µÉ °ÍÀ̶ó°í ÇÑ´Ù. ±×·¯³ª À̰ÍÀº ȯ»óÀÌ´Ù. ¹ÎÁÖÁÖÀǰ¡ ¾Ç¿ë´çÇÏ¸é ¾öû³ Àç¾ÓÀ» ÃÊ·¡ÇÒ ¼öµµ Àֱ⠶§¹®ÀÌ´Ù.
µ¶ÀÏÀÇ Á¦3Á¦±¹Àº ¹ÎÁÖÁÖÀÇ¿¡ ´ëÇÑ ¾Æ¶÷´Ù¿î ȯ»óÀ» ´Ü¹ø¿¡ ±ú¶ß¸± ¼ö ÀÖ´Â ÁÁÀº çÓ°¡ µÈ´Ù. ¾Æµ¹ÇÁ È÷Ʋ·¯´Â ÈçÈ÷ µ¶Àϱ¹¹Î°ú´Â °ü°è¾ø´Â º°°³ÀÇ µ¹¿¬º¯ÀÌÀû ±«¹°·Î »ý°¢ÇÏ´Â »ç¶÷µéÀÌ ¸¹´Ù. ±×·¯³ª ºÒÇàÈ÷µµ È÷Ʋ·¯´Â ¹ÎÁÖÁÖÀÇÀÇ ÝÕî¤(ºÎÀç)ÀÇ »ê¹°ÀÌ ¾Æ´Ï°í ¹ÎÁÖÁÖÀÇÀû ÀýÂ÷ ±× ÀÚüÀÇ »ê¹°ÀÌ´Ù. È÷Ʋ·¯´Â ÀÚÀ¯ ¼±°Å¿¡¼ ì¤îñ(ÀÌÀü)ÀÇ ¾î¶² µ¶ÀÏÀκ¸´Ùµµ ´õ ¸¹Àº Ç¥¸¦ ¾ò¾î¼ Áý±ÇÇß´Ù.
È÷Ʋ·¯´Â µ¶Àϱ¹¹ÎÀÇ ¡®¸¶À½¼ÓÀÇ ºñ¹Ð¡¯À» ¾Ë¾ÆÂ÷¸®°í À̰ÍÀ» ¿±¤ÀûÀÎ ÁöÁö·Î À̲ø¾î³»´Â µ¥ ¼º°øÇß´Ù. ±× ºñ¹ÐÀº ¼¼°èÀÇ ºÒÈ®½Ç¼º ¶§¹®¿¡ »ç¶÷µéÀÌ ´À³¢´Â ºÒ¾ÈÀ̾ú´Ù. À̰ÍÀÌ °æÁ¦Àû ºÒ¾È°¨°ú °áÇÕÇÏ¿© ±¹°¡»çȸÁÖÀǸ¦ ÁÖâÇÏ´Â ³ªÄ¡½º¿¡ Ç¥¸¦ ¸ô¾ÆÁØ ÁÖµÈ ÀÌÀ¯¿´´Ù. È÷Ʋ·¯´Â µ¶Àϱ¹¹Î¿¡°Ô ¹ÎÁÖÁ¤´çµéÀÇ ²÷ÀÓ¾ø´Â ³íÀï¿¡ ±Í¸¦ ±â¿ïÀÏ Çʿ䰡 ¾ø´Ù°í ¸»Çß´Ù. ±×´Â ±¹¹ÎÀÌ ±×·± ³íÀïÀ» ´çȲ½º·´°í Â¥Áõ½º·´°Ô ¿©±ä´Ù´Â °ÍÀ» ¾Ë°í ÀÖ¾ú´Ù. ´ë½Å¿¡ ±¹¹ÎÀº ½Å·ÚÇÒ ¼ö ÀÖ´Â ÁöµµÀÚµéÀÌ ³»¸®´Â °áÁ¤¿¡ ¹ÙÅÁÀ» µÐ õÅûú(ÃÑÈ)¸¦ °¥¸ÁÇϰí ÀÖ¾ú´Ù. Á¤Ä¡ÀεéÀÇ ²÷ÀÓ¾ø´Â Á¤Àï¿¡ ³Í´õ¸®°¡ ³ °ÍÀÌ´Ù.
È÷Ʋ·¯ÀÇ ¸Þ½ÃÁö¿¡ ¿±¤Çß´ø µ¶ÀÏÀεéÀÌ Æ¯º°È÷ »ç¾ÇÇϰųª Ž¿å½º·¯¿î °ÍÀº ¾Æ´Ï¾ú´Ù. ±×µéÀº ´ÜÁö ¹ÎÁÖÀû ÀýÂ÷°¡ ÇÊ¿ä·Î ÇÏ´Â ²¿Ä¡²¿Ä¡ µûÁö´Â °Í°ú ¸é¹ÐÇÑ Á¡°ËÀ» ÇÒ ¼ö ¾ø¾ú°í ÇÒ ¶æµµ ¾ø¾ú´Ù. ¿À´Ã³¯ ¼±¸ ¼±Áø±¹¿¡¼Á¶Â÷ °øÀûÀÎ °ü½É»ç¿¡ ´ëÇÑ ³íÀǰ¡ ³¯ÀÌ °¥¼ö·Ï ´ëÃæ´ëÃæ ÀÌ·ç¾îÁö°í ºÎ½ÇÇØÁü¿¡ µû¶ó ÀÌ·¯ÇÑ À½¹ÌÀÇ ºÎÀç´Â 1930³â´ëÀÇ µ¶ÀϺ¸´Ù ´õ¿í ½ÉÇÏ´Ù. ÀÌ·± Çö»óÀº ¶Ç ÇÑ ¸íÀÇ È÷Ʋ·¯¸¦ ³ºÀ» °¡´É¼ºÀÌ ÀÖ´Ù. À̰ÍÀº ¹ÎÁÖÁÖÀÇ ÀÛµ¿ÀÇ ÀϽÃÀûÀÎ ìï÷(ÀÏÅ»)ÀÌ ¾Æ´Ï´Ù. À̰ÍÀº ¹ÎÁÖÁÖÀÇÀÇ ½ÉÀå¿¡ ¶Õ¸° ±¸¸ÛÀÌ´Ù.
Çѱ¹ÀÇ ¹ÎÁÖÁÖÀǵµ °¡½¿¿¡ ±¸¸ÛÀÌ ¶Õ¸®°í ÀÖ´Ù. ±è´ëÁß-³ë¹«Çö ÁÂÆÄÁ¤±Ç 10³â µ¿¾È ´ëÇѹα¹ÀÇ ÀÚÀ¯¹ÎÁÖÁÖÀÇ Ã¼Á¦´Â Ä¡¸í»óÀ» ÀÔ¾ú¾ú´Ù. ±¹¹ÎÀÌ ¾î´À Á¤µµ °¢¼ºÇÏ¿© À̸í¹Ú°ú ¹Ú±ÙÇý¿¡°Ô Ä¡À¯ÀÇ ±âȸ¸¦ ÁÖ¾úÁö¸¸, ±×µéÀº ÀÚÀ¯¹ÎÁÖÁÖÀÇ ´ëÇѹα¹ÀÇ ½ÉÀå¿¡ Ä®ÁúÀ» Çϰí ÀÖ´Â ¹Ý¿ªÀû ÁÂÆÄ¿¡ ´ëÇØ °ÅÀÇ ¹æ°ü¸¸ ÇÏ¿´¾ú´Ù. ¹Ý°øÀÌ »ýÁ¸Á¶°ÇÀÌ¸ç °ø»ê ¹Ý¶õÁý´Ü°ú ½Î¿ì°í ÀÖ´Â ³ª¶óÀÇ ´ëÅë·ÉÀ̸鼵µ À̸í¹ÚÀº ½ÉÁö¾î ÀÚ±â´Â éÓµµ ¾Æ´Ï°í ñ§µµ ¾Æ´Ï¶ó°í±îÁö ÇÏ¿´´Ù. ±×·¡¼ ¸¶Ä§³» ÀÚÀ¯¹ÎÁÖÁÖÀÇ ´ëÇѹα¹Àº ¹Ý¿ª ÁÂÆÄÀÇ ¼Õ¿¡ ¿ÏÀüÈ÷ ³Ñ¾î°¡°Ô µÇ¾ú´Ù. ¹ÎÁÖÀû ÀýÂ÷¿¡ µû¶ó ÇÕ¹ýÀûÀ¸·Î ³Ñ¾î°¬´Ù. ÁÂÆÄ°¡ ´ë´Ù¼öÀÇ ±¹¹ÎÀÇ ¿·ÄÇÑ ÁöÁö¸¦ ¹ÞÀ¸¸ç ÀÔ¹ý, ÇàÁ¤, »ç¹ý µî ´ëÇѹα¹ÀÇ ÅëġüÁ¦¸¦ ¿ÏÀüÈ÷ Àå¾ÇÇØ ¹ö·È´Ù. ±¹¹ÎÀº ¡®²¿Ä¡²¿Ä¡ µûÁö´Â °Í°ú ¸é¹ÐÇÑ Á¡°Ë¡¯À» ÇÏÁö ¾ÊÀ» »Ó´õ·¯ ÇÒ ¶æµµ ¾ø´Â °Í °°´Ù. Çѱ¹ÀεéÀº Áý´Ü Ãָ鿡 °É·Á À¯¶ó½Ã¾Æ ´ë·ú À¯ÀÏÀÇ ÀÚÀ¯¹ÎÁÖÁÖÀÇ ´ëÇѹα¹À» °ø»êÁÖÀÇ ¾Ç·Éµé¿¡°Ô ½º½º·Î °¡Á®´Ù ¹ÙÄ¡¸ç Á×À½ÀÇ ÃãÀ» Ãß°í ÀÖ´Â °ÍÀÌ´Ù. À̰ÍÀº Á¤Ä¡¿¡´Â ±× ½ÅºñÇÑ ¡°´ÙÁßÀÇ ÁöÇý¡±µµ ÅëÇÏÁö ¾Ê±â ¶§¹®ÀÏ °ÍÀÌ´Ù.
13-1-78
At the annual West of England Fat Stock and Poultry Exhibition in the fall of 1906, a British scientist named Francis Galton became interested in weight-judging competition: 800 fair-goers (a diverse group that included butchers, farmers, clerks, housewives, townspeople, smart people, dumb people, average people) tried to guess what a particular ox could weigh after having been slaughtered and dressed. The correct answer was exactly 1,198lbs. After the judges awarded their prize, Galton borrowed all the entry tickets, did some arithmetic to get the mean of the fairgoers' guesses and found that their collective estimate was ...1,197lbs.
The random gathering of the people turned out to be an unexpected collective genius at ox-weight appraisal. Starting with this anecdote, James Surowiecki, financial columnist of the 'New York', builds a fascinating case, summed up in his title and subtitle: 'The Wisdom of Crowds: Why the Many are Smarter Than the Few and How Collective Wisdom Shapes Businesses, Economies, Societies and Nations.'
Surowiecki's thesis posits an uncanny and generally unconscious collective intelligence working not by top-down diktat but rather in dynamic arrangements of what the economist Friedrich Hayek called 'spontaneous order'. Surowieck cites the giant flock of starlings evading a predatory hawk. From the outside, the cloud of birds seems to move in obedience to one mind.
1906³â °¡À» ¼ºÎ À×±Û·£µå °¡Ãà ¹× Ê«ÐØ(°¡±Ý) Àü½Ãȸ¿¡¼ Francis Galton¶ó´Â ¿µ±¹ °úÇÐÀÚ°¡ ¹«°Ô ÆÇ´Ü(weight-judging) ÌææÑ(°æ¿¬)¿¡ °ü½ÉÀ» °¡Áö°Ô µÇ¾ú´Ù. 800¸íÀÇ Àü½ÃȸÂü°¡ÀÚ (Á¤À°¾÷ÀÚ, ³óºÎ, »ç¹«¿ø, °¡Á¤ÁÖºÎ, ½Ã¹Îµé, ¶È¶ÈÇÑ »ç¶÷, µÐÇÑ »ç¶÷, Æò±ÕÀûÀÎ »ç¶÷À» Æ÷ÇÔÇÏ´Â ´Ù¾çÇÑ Áý´Ü)µéÀº ƯÁ¤ Ȳ¼Ò ÇÑ ¸¶¸®°¡ µµÃàµÇ¾î ¿ä¸®Áغñ°¡ µÈ(dressed) ÈÄ¿¡ ¹«°Ô°¡ ¾ó¸¶Àϱ ÃßÃøÇÏ·Á°í ³ë·ÂÇϰí ÀÖ¾ú´Ù. Á¤´äÀº Á¤È®È÷ 1,198ÆÄ¿îµå¿´´Ù. ½ÉÆÇ°üµéÀÌ »óÀ» ÁÖ°í ³ ´ÙÀ½¿¡ GaltonÀº ¸ðµç °è»êÇ¥(tickets)¸¦ ºô·Á¼ ¹Ú¶÷ȸ Âü°¡ÀÚµéÀÌ ÃßÃøÇÑ °ÍÀÇ Æò±ÕÀ» ¾Ë¾Æº¸±â À§ÇØ °è»êÀ» ÇÏ°í¼´Â Âü°¡ÀÚµéÀÇ Áý´ÜÀû Æò°¡(ÇØ´ä)´Â 1,197ÆÄ¿îµå¶ó´Â °ÍÀ» ¹ß°ßÇÏ¿´´Ù.
¹«ÀÛÀ§ Áý´ÜÀÇ »ç¶÷µéÀÌ È²¼Ò ¹«°Ô Æò°¡¿¡¼ ¿¹±âÄ¡ ¾Ê¾Ò´ø Áý´ÜõÀç¶ó´Â °ÍÀÌ ÆÇ¸íµÇ¾ú´Ù. ÀÌ ìïü¥(ÀÏÈ)¸¦ ½ÃÃÊ·Î ÇÏ¿© ¡®New York¡¯ÀÇ ÀçÁ¤ ´ã´ç Ä®·³´Ï½ºÆ®ÀÎ Surowiecki´Â ¡°´ëÁßÀÇ ÁöÇý: ´Ù¼ö°¡ ¼Ò¼öº¸´Ù ´õ ¿µ¸®Çϰí Áý´ÜÁöÇý°¡ ºñÁî´Ï½º¿Í °æÁ¦¿Í »çȸ¿Í ±¹°¡¸¦ Çü¼ºÇÏ´Â ÀÌÀ¯¡±¶ó´Â Á¦¸ñ°ú ºÎÁ¦·Î¼ ¿ä¾àµÈ ¾ÆÁÖ Àç¹ÌÀÖ´Â »ç½Ç(case)À» ±¸ÃàÇÏ¿´´Ù.
SurowieckiÀÇ ÁÖÁ¦´Â »ó¸íÇÏ´Þ ¹æ½ÄÀÇ ÀϹæÀû °áÁ¤ÀÌ ¾Æ´Ï¶ó ¿ÀÈ÷·Á °æÁ¦ÇÐÀÚ Friedrich Hayek°¡ ¡®ÀÚ¿¬¹ß»ýÀû ¸í·É¡¯À̶ó°í ¸»ÇÑ ¿ªµ¿Àû ÇÕÀÇ(arrangements) ¼Ó¿¡¼ ÀÛµ¿Çϰí ÀÖ´Â ½ÅºñÇϰí ÀϹÝÀûÀ¸·Î ¹«ÀǽÄÀûÀÎ Áý´ÜÁö´ÉÀ» °¡Á¤ÇÑ´Ù. Surowieck´Â øÚãÝ(Æ÷½Ä)ÀûÀÎ ¸Å¸¦ ÇÇÇÏ´Â °Å´ëÇÑ Â·¹±â ¶¼¸¦ ÀοëÇϰí ÀÖ´Ù. ¹Û¿¡¼ º¸¸é ±× »õ¶¼µéÀº ¸í·É¿¡ º¹Á¾ÇÏ¿© ÇѸ¶À½À¸·Î ¿òÁ÷À̰í ÀÖ´Â °Íó·³ º¸ÀδÙ.
13-2-79
In fact, Surowiecki writes, each starling is acting on its own, following four simple rules: '1) stay as close to the middle as possible; 2) stay 2 to 3 body length away from your neighbor; 3) do not bump into any other starling; 4) if a hawk dives at you, get out of the way.' The result is safety, and a magical, organic coherence of motion-unconscious wisdom.
The old paradigm on this subject equates crowds with mindless mobs (the bigger the mob, the dumber and more dangerous)¡ªthink of lemmings or the Gadarene swine that Jesus sent off the cliff. The old paradigm, no doubt elitist and authoritarian, cherishes the brilliant individual (Leonardo da Vinci or Isac Newton, who reinvented the universe while hiding from the plague in a country house).
The new paradigm, as formulated by Surowiecki, states that hoi polloi (the many) are weirdly smart and effective, even when a lot of them, as individuals, are average, or below, in their intelligence or their experience with the subject at hand. Surowecki's sometimes Panglossian view sees a sort of invisible hand shaping the motions and outcomes of group phenomena.
»ç½ÇÀº, Â·¹±â °¢°¢Àº ´ÙÀ½ ³× °¡Áö °£´ÜÇÑ ±ÔÄ¢À» µû¸£¸é¼ µ¶ÀÚÀûÀ¸·Î ÇൿÇϰí ÀÖ´Ù°í Surowiecki´Â ¾²°í ÀÖ´Ù: ¡®1)°¡´ÉÇÑ ÇÑ Á߽ɿ¡ °¡±õ°Ô ¸Ó¹°·¯¶ó; 2) ÀÌ¿ôÀ¸·ÎºÎÅÍ 2³»Áö 3¸ö±æÀÌ ¶³¾îÁ® ÀÖ¾î¶ó; 3) ´Ù¸¥ ¾î¶² Â·¹±â¿Íµµ Ãæµ¹ÇÏÁö ¸¶¶ó; 4)¸¸¾à ¸Å°¡ µ¹ÁøÇØ ¿À¸é ±æ¿¡¼ ¹þ¾î³ª¶ó.¡¯ ±× °á°ú´Â ¾ÈÀüÀÌ°í ¸¶¹ýÀûÀ̰í À¯±âÀûÀÎ µ¿ÀÛÀ» ÀǽÄÇÏÁö ¾Ê´Â ÁöÇýÀÇ °áÁý·ÂÀÌ´Ù.
ÀÌ ¹®Á¦¿¡ ´ëÇÑ ¿¾³¯ÀÇ ÇØ´ä(paradigm:¸ð¹ü)Àº ´ÙÁßÀ» »ý°¢ÀÌ ¾ø´Â ±ºÁß°ú µ¿µî½ÃÇÏ´Â °ÍÀÌ´Ù (±ºÁßÀº Å©¸é Ŭ¼ö·Ï ´õ ¸ÛûÇÏ°í ´õ À§ÇèÇØÁø´Ù)¡ª³ª±×³×Áã ¶¼³ª Jesus°¡ Àýº®À¸·Î º¸³½ Gadarene µÅÁö ¶¼¸¦ »ý°¢ÇØ º¸¶ó. ÀǽÉÇÒ ¹Ù ¾øÀÌ ¿¤¸®Æ®ÁÖÀÇÀûÀÌ°í ±ÇÀ§ÁÖÀÇÀûÀÎ ÏÁãÒ(±¸½Ä) ÆÐ·¯´ÙÀÓÀº ¶Ù¾î³ °³ÀÎÀ» ¼ÒÁßÈ÷ ¿©±ä´Ù(Leonardo da Vinci ȤÀº æ¹Ü»(¿ªº´)À» ÇÇÇØ¼ ½Ã°ñÁý¿¡ ÀÖÀ» µ¿¾È¿¡ ¿ìÁÖ¸¦ ÀçâÁ¶ÇÑ Isac Newton).
Surowiecki¿¡ ÀÇÇØ¼ °ø½ÄÈµÈ »õ ÆÐ·¯´ÙÀÓÀº ´ÙÁßÀº(´Ù¼ö) ±âÀÌÇÒ ¸¸Å ¶È¶ÈÇÏ°í ´É·üÀûÀÌ¸ç ½ÉÁö¾î ±×µé ´Ù¼ö°¡, °³ÀÎÀ¸·Î¼, Áö´É¿¡¼³ª ´ç¸é(at hand) ÁÖÁ¦¿¡ ´ëÇÑ °æÇè¿¡¼³ª Æò±ÕÀ̰ųª ±× ÀÌÇÏÀÏÁö¶óµµ ±×·¸´Ù°í ¸»ÇÑ´Ù. SuroweckiÀÇ ¶§¶§·Î ÇѾøÀÌ ³«ÃµÀûÀÎ(Panglossian) ½Ã°¢Àº Áý´ÜÇö»óÀÇ µ¿ÀÛÀ̳ª °á°ú¸¦ Çü¼ºÇϰí ÀÖ´Â ÀÏÁ¾ÀÇ º¸ÀÌÁö ¾Ê´Â ¼ÕÀ» º¸°í ÀÖ´Ù.