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1912³â¿¡ ÃâÆÇµÈ ÀÌ Ã¥Àº Çö´ë 'Çൿ °æÁ¦ÇÐ'À̳ª 'Çൿ À繫ÇÐ'ÀÌ Á¤¸³µÇ±â ÈξÀ ÀÌÀü¿¡ ¾²¿´½À´Ï´Ù. ÀúÀÚ´Â ÁÖ½Ä ½ÃÀåÀÇ °¡°Ý º¯µ¿ÀÌ ´Ü¼øÇÑ ¼öÇÐÀû °è»êÀ̳ª ±â¾÷ÀÇ ÆÝ´õ¸àÅÐÀÌ ¾Æ´Ï¶ó, "½ÃÀå Âü¿©ÀÚµéÀÇ ½É¸®Àû ŵµ(Èñ¸Á, µÎ·Á¿ò, Ž¿å, ±ºÁ߽ɸ®)"¿¡ ÀÇÇØ °áÁ¤µÈ´Ù´Â °ÍÀ» °£ÆÄÇß½À´Ï´Ù. ÁÖ¿ä ³»¿ëÀº ´ÙÀ½°ú °°½À´Ï´Ù
1. Åõ±â »çÀÌŬ (The Speculative Cycle): ½ÃÀåÀº ²÷ÀÓ¾øÀÌ »ó½Â°ú Ç϶ôÀ» ¹Ýº¹Çϸç, ÀÌ »çÀÌŬÀÇ °¢ ´Ü°è¿¡¼ ´ëÁßÀÇ ½É¸®°¡ ¾î¶»°Ô º¯ÇÏ´ÂÁö¸¦ ¼³¸íÇÕ´Ï´Ù. (¿¹: ¹Ù´Ú¿¡¼ÀÇ °øÆ÷, ²À´ë±â¿¡¼ÀÇ È¯Èñ)
2. °Å²Ù·Î µÈ Ãß·Ð (Inverted Reasoning): ´ëÁßÀÌ »ý°¢ÇÏ´Â °Í°ú ¹Ý´ë·Î »ý°¢ÇØ¾ß ÇÏ´Â ÀÌÀ¯¸¦ ¼³¸íÇÕ´Ï´Ù. "¸ðµÎ°¡ ³«°üÀûÀÏ ¶§°¡ °¡Àå À§ÇèÇϰí, ¸ðµÎ°¡ ºñ°üÀûÀÏ ¶§°¡ ±âȸ"¶ó´Â ¿ª¹ß»ó ÅõÀÚÀÇ ±âÃʸ¦ ´Ù·ì´Ï´Ù.
3. "±×µé" ÀÌ·Ð ("They" Theory): ½ÃÀåÀ» Á¶ÀÛÇÏ´Â º¸ÀÌÁö ¾Ê´Â ¼¼·ÂÀÎ "±×µé"¿¡ ´ëÇÑ ´ëÁßÀÇ È¯»óÀ» ÁöÀûÇϰí, ½ÇÁ¦ ½ÃÀåÀÇ ¼ö±Þ°ú ±â¼úÀû ¿äÀÎÀ» ¾î¶»°Ô ºÁ¾ß ÇÏ´ÂÁö ¼³¸íÇÕ´Ï´Ù.
4. ¼±¹Ý¿µ (Discounting): ÇöÀçÀÇ ´º½º¿Í ¹Ì·¡ÀÇ °¡Ä¡°¡ ¾î¶»°Ô È¥µ¿µÇ´ÂÁö, ±×¸®°í ½ÃÀåÀÌ ¹Ì·¡¸¦ ¾î¶»°Ô ¾Õ¼ ¹Ý¿µÇÏ´ÂÁö¸¦ ´Ù·ì´Ï´Ù.
5. °³ÀÎÀÇ ½É¸® ÅëÁ¦: ÅõÀÚÀÚ°¡ ÀÚ½ÅÀÇ °¨Á¤(ƯÈ÷ ¼Õ½Ç¿¡ ´ëÇÑ µÎ·Á¿ò°ú ÀÌÀÍ¿¡ ´ëÇÑ Å½¿å)À» ¾î¶»°Ô ÅëÁ¦ÇÏ°í °´°üÀûÀÎ ÆÇ´ÜÀ» ³»·Á¾ß ÇÏ´ÂÁö¿¡ ´ëÇÑ ½ÇÁúÀûÀÎ Á¶¾ðÀ» Á¦°øÇÕ´Ï´Ù.