¼Ò²ñÁªÂòÍýÏÀ²È¤Ï¥Ó¥¯¥Ó¥¯¤·¤Ê¤¬¤éÀ¸¤­¤Æ¹Ô¤«¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤±¿Ì¿¤«¡©

º£Ä«¥á¡¼¥ë¤ÇÆÏ¤¤¤¿¼Ò²ñÁªÂò¤Î¥¸¥ã¡¼¥Ê¥ë SCW (Social Choice and Welfare) ¤ÎÌܼ¡¤Ï¤¤¤Ä¤â¤È¤Á¤¬¤Ã¤Æ¤¤¤¿¡¥¤ä¤¿¤é history ¤È¤« interview ¤È¤¤¤¦Ã±¸ì¤¬ÌܤˤĤ¯¤Î¤À¡¥ºý»Ò¤Ç¤¢¤Ã¤¿¤Ê¤é¡¤¤Ñ¤é¤Ñ¤é¤È¥Ú¡¼¥¸¤ò¤á¤¯¤ë¤À¤±¤Ç¤¤¤Ä¤â¤È¤Á¤¬¤Ã¤Æ¿ô³Ø¤¬¤Ò¤¸¤ç¤¦¤Ë¾¯¤Ê¤¤¤È¤¤¤¦¤³¤È¤Ë¤¹¤°µ¤¤Å¤¤¤¿¤³¤È¤À¤í¤¦¡¥ÉáÃʤ¬¿ô³Ø¤Î¥¸¥ã¡¼¥Ê¥ë¤Î´¶¤¸¤È¤¹¤ì¤Ð¡¤º£¹æ¤Ï¤Þ¤ë¤Ç¿Íʸ²Ê³Ø¤Î»°Î®¥¸¥ã¡¼¥Ê¥ë¤ß¤¿¤¤¤À¡¥¤É¤¦¤ä¤é¡¤º£¹æ¤Ï¼Ò²ñÁªÂòÍýÏÀ¤Î½ÐȯÅÀ¤È¤Ê¤Ã¤¿¥¢¥í¡¼¤Î "Social Choice and Individual Values" ½ÐÈÇ 50¼þǯµ­Ç°¤Ë³«¤«¤ì¤¿ The History of Social Choice from Condorcet to Arrow and Beyond ¤È¤¤¤¦¥«¥ó¥Õ¥¡¥ì¥ó¥¹¤ÎÆÃ½¸¹æ¤È¤¤¤¦¤³¤È¤Î¤è¤¦¤À¡¥

Îò»Ë¤Ë¤¢¤Þ¤ê´Ø¿´¤Î¤Ê¤¤¥Ü¥¯¤Ï¡¤ÆÉ¤à¤Ù¤­¥Ú¡¼¥Ñ¡¼¤â¤Ê¤¤¤À¤í¤¦¤È»×¤¤¤Ä¤Ä¤â¡¤¤±¤Ã¤³¤¦»þ´Ö¤ò¤Ä¤¤¤ä¤·¤Æ¤·¤Þ¤Ã¤¿¡¥¥¢¥í¡¼¤ÎËܤ¬½ñ¤«¤ì¤ë¤Þ¤Ç¤Î·Ð°Þ¤È¤«¡¤¼Ò²ñÁªÂò¤È¸üÀ¸³Ø²ñ¤¬¤Ç¤­¤ë¤Þ¤Ç¤Î»ö¾ð¤Ê¤É¤ò½ñ¤¤¤¿»×¤¤½Ð¤Î¤è¤¦¤ÊÏÀʸ (?) ¤ò¥À¥¦¥ó¥í¡¼¥É¤·¤¿¡¥¸å¼Ô¤Ë¤Ï¡¤¤¿¤È¤¨¤Ð Econometrica ¤È¤¤¤¦·ÐºÑ³Ø¥È¥Ã¥×¥¸¥ã¡¼¥Ê¥ë¤¬ 1979 ǯ¤Ë

¡Ö¼Ò²ñÁªÂò¤ÈÅêɼÍýÏÀ¤ÎÏÀʸ¤ÎÅê¹Æ¤¬¤Ò¤¸¤ç¤¦¤ËÁý¤¨¤Æ¤¤¤ë¤Î¤Ç¡¤¤½¤ÎʬÌî¤Î¥Ú¡¼¥Ñ¡¼¤ò¸·¤·¤¯¥ì¥Õ¥ê¡¼¤·¤Æ¤â¤é¤¤¤¿¤¤¡×

¤È¤¤¤¦ÄÌã¤òºÜ¤»¤¿¤È¤¤¤¦Í­Ì¾¤ÊÏ䬺ܤäƤ¤¤¿¡¥¤½¤ÎÃø¼Ô¤Ç SCW ¤Î¥¨¥Ç¥£¥¿¡¼¤Ç¤â¤¢¤ë Maurice Salles ¤Ï¡¤¤½¤ÎÄÌã¤Î±Æ¶Á¤¬º£Æü¤â³¤¤¤Æ¤¤¤ë¤È»×¤Ã¤Æ¤¤¤ë¤è¤¦¤Ç¤¢¤ë (¤¢¤ë¤¤¤Ï¤½¤¦»×¤Ã¤Æ¤¤¤ë¤ÈÆÉ¼Ô¤ò»×¤ï¤»¤¿¤¤¤è¤¦¤Ç¤¢¤ë)¡¥¤¢¤Þ¤ê¤ËÆüËÜ¿ÍŪ¤Ê¡Ö¤¤¤Ê¤«¤Î·ÐºÑ³Ø¼Ô¡×¤À¤Ã¤¿¥µ¥ë¤µ¤ó¤Ï¡¤¼«¹ñ¤Ç¤¢¤ë¥Õ¥é¥ó¥¹¹ñÆâ¤Ë¼Ò²ñÁªÂò¤ò¸¦µæ¤·¤Æ¤¤¤ë¿ô³Ø¼Ô¥°¥ë¡¼¥×¤¬¤¤¤ë¤³¤È¤ÏÃΤäƤ¤¤¿¤¬¡¤°Ú¤ì¤ò¤Ê¤·¤Æ²ñ¤¨¤Ê¤«¤Ã¤¿¤È¤â½ñ¤¤¤Æ¤¤¤ë ("I was too shy and, perhaps, was scared of a possible contemptuous attitude they could have for a young provincial economist")¡¥

¤¤¤ä¡¤É½Âê¤Ë¤¢¤ë¡Ö¥Ó¥¯¥Ó¥¯¤·¤Ê¤¬¤éÀ¸¤­¤Æ¹Ô¤«¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡×¤È¤¤¤¦¤Î¤Ï¡¤¤³¤Î¥µ¥ë¤µ¤ó¤Î¤è¤¦¤Ê°ÕÌ£¤Ç¤Ï¤Ê¤¤¡¥°Ê²¼¤Ë°úÍѤ·¤¿¥í¥·¥¢¿Í¤Î¥¨¥Ã¥»¥¤¤òį¤á¤Æ¤¤¤Æ¡¤¸½ÂåÆüËܤÈÂ纹¤Ê¤¤¤«¤â¤È»×¤Ã¤¿¼¡Âè¤À¡¥1980ǯÂå¤Î¥½¥Ó¥¨¥ÈϢˮ¤Ç¤ÎÍͻҤòÉÁ¤¤¤¿¤â¤Î¤À (Fuad Aleskerov, The history of social choice in Russia and the Soviet Union, Social Choice and Welfare 25:419¡Ý431, 2005):

Our paper, ¡ÈArrow's problem in group choice theory¡É [3] was almost ready for submission to the journal ¡ÈAutomation and Remote Control¡É, when Aizerman told me we would have to alter the words, ¡Ædictator¡Ç and ¡Æoligarchy¡Ç, in the text. We would be in trouble if the published article included these words. I argued that everyone used them, and that they appeared even in Mirkin's book published in 1974 [35], but Aizerman was very firm. After about an hour of discussion, during which he suggested some alternatives that I rejected, he said: ¡ÈListen, I have been living under this regime for 70 years, and I will not allow you to destroy your career and life by using these words, which for certain will be misinterpreted.¡É After this I stopped arguing, substituted the words ¡Èdecisive voter¡É and ¡Èdecisive group¡É and finished the paper.

¤Ä¤Þ¤ê¡¤¡ÖÆÈºÛ¼Ô¡×¡Ö²ÉƬÀ¯¼£¡×¤È¤¤¤Ã¤¿¡¤ÅêɼÍýÏÀ¤Ç¤Õ¤Ä¤¦¤Ë»È¤ï¤ì¤ë¸ÀÍÕ¤òÏÀʸ¤ËÆþ¤ì¤ë¤À¤±¤Ç¥¢¥Ö¥Ê¤«¤Ã¤¿¤ï¤±¤À¡¥¡Ö¥­¥ß¤Î¿¦¶ÈŪ¾­Í衤¤½¤·¤ÆÀ¸³è (À¸Ì¿?) ¤òÂæÌµ¤·¤Ë¤µ¤»¤ë¤ï¤±¤Ë¤Ï¤¤¤«¤Ê¤¤¡×¤ÈǯÇۤζ¦Ãø¼Ô¤Ë¸À¤ï¤ì¤Æ¡¤¤½¤ì¤é¤Î¸ÀÍÕ¤òºï½ü¤·¤¿¤È¤¤¤¦¡¥

¸½ÂåÆüËܤǤϡ¤ÆÃÄê¤Î¸ÀÍÕ¤ò»È¤¦¤³¤È¤ÇÀ¯¼£Åª°µÎϤò¼õ¤±¤ë¤È¤¤¤¦¡ÖÊܡפϾ¯¤Ê¤¯¤Ê¤Ã¤¿¤â¤Î¤Î (¤«¤ï¤ê¤Ë¡Ö´Ä¶­¡×¤È¤«¡Ö¾ðÊó¡×¤È¤¤¤Ã¤¿ÆÃÄê¤Î¸ÀÍÕ¤ò¸¦µæ·×²è¤ËÆþ¤ì¤Ê¤±¤ì¤Ð¸¦µæÈñ¤¬¼è¤ê¤Ë¤¯¤¤¤È¤¤¤¦¡¤¡Ö°»¡×¤Ë¤è¤ë°µÎϤϤ¢¤ë)¡¤µ¬ÈÏÍýÏÀ²È¤¬¥Ó¥¯¥Ó¥¯¤·¤Ê¤¬¤éÀ¸¤­¤Æ¹Ô¤«¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¹½¿Þ¤Ï¾åµ­¥½Ï¢¤Î¾õ¶·¤ÈÂ纹¤Ê¤¤¤Î¤Ç¤Ï¤Ê¤¤¤«¡¥¤¿¤·¤«¤ËÀ¯¼£»×ÁÛ¤äÍѸì¤Ç¤Ò¤Ã¤«¤«¤ë¤³¤È¤Ï¥½Ï¢¤Û¤É¤Ê¤¤¤À¤í¤¦ (¤½¤ì¤Ç¤â¥¢¥Ê¥­¥¹¥È¤Ë¤Ï¿É¤¤)¡¥Âå¤ï¤ê¤Ë¥»¥¯¥·¥å¥¢¥ë¡¦¥Ï¥é¥¹¥á¥ó¥È¤È¤«¡¤À¸Ì¿ÎÑÍý¤È¤«¡¤´Ä¶­ÌäÂê¤È¤«¡¤¤¢¤Þ¤ê¤Ë¤âɽ¸½¤Î¼«Í³¤¬À©¸Â¤µ¤ì¤ëʬÌÁý¤¨¤Æ¤¤¤ë¤Î¤Ï¤É¤¦¤Ë¤«¤Ê¤é¤Ê¤¤¤À¤í¤¦¤«¡¥½ã¿è¤Ê»×ÁÛ¤äɽ¸½¡¤¤½¤·¤ÆÁÇËѤÊÁÛ¤¤¤Þ¤Ç¤¬Ë½ÎÏ¤ÈÆ±Îó¤Ë°·¤ï¤ì¤Æ½èȳ¤ÎÂоݤȤʤë¤Î¤Ïº¤¤Ã¤¿¤³¤È¤À¡¥

¸½Âå¼Ò²ñ¤Ë¤ª¤±¤ë¼«Í³¤ÎÍÞ°µ¼Ô¤¿¤Á¤Ï¡Ö¤Ò¤È¤ò½ý¤Ä¤±¤Ê¤¤¡¤É԰¤òÍ¿¤¨¤Ê¤¤¡×¤³¤È¤ò¶¯¤¯¼çÄ¥¤¹¤ë¤³¤È¤¬Â¿¤¤¡¥¤½¤¦¤Ç¤¢¤ë¤Ê¤é¤Ð¡¤¤Ò¤È¤¬²¿¤Ë½ý¤Ä¤­²¿¤ò¶²¤ì¤ë¤Î¤«¡¤¤â¤¦¾¯¤·¹Í¤¨Ä¾¤¹¤Ù¤­¤À¤í¤¦¡¥¥Ü¥¯¤Î¤Ð¤¢¤¤¡¤¤¤¤Á¤Ð¤óÉݤ¤¤È¤¤¤¦¤«¡¤É԰¤Ǥ¢¤ë¤Î¤Ï¡¤¼«Í³¤òÃ¥¤ï¤ì¤ë¤³¤È¤Ç¤¢¤ë¡¥µ¬ÈÏÎÑÍý¤ò¤¢¤Ä¤«¤¦¼Ò²ñÁªÂòÍýÏÀ²È¤Î±¿Ì¿¤È¤·¤Æ¡¤¤¢¤ë¤Æ¤¤¤É¤ÎÇ÷³²¤Ï³Ð¸ç¤·¤Æ¤¤¤ë¤Ä¤â¤ê¤À¡¥¤½¤ì¤Ç¤âËèÆüËèÆü¡¤¤³¤ó¤Ê¤Ë¥Ó¥¯¥Ó¥¯¤·¤Ê¤¬¤éÀ¸¤­¤Æ¹Ô¤«¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¤Î¤Ï¡¤¤ä¤Ï¤ê¤ª¤«¤·¤¤¤È»×¤¦¡¥

¥ê¥Þ¡¼¥¯¡¥¤È¤³¤í¤Ç SCW ¤ÎÌܼ¡¤¬ÆÏ¤¯¤Î¤¬¤¨¤é¤¯µ×¤·¤¤¤ó¤¸¤ã¤Ê¤¤¤«¤È»×¤Ã¤¿¤é¡¤Volume 25 Numbers 1 ¤ÎÌܼ¡¤¬ÆÏ¤«¤º¡¤¸«Íî¤È¤·¤Æ¤¤¤¿¤Î¤Ëµ¤¤Å¤¤¤¿¡¥¾¯¤·¤¦¤ì¤·¤¯¤Ê¤«¤Ã¤¿¡¥¤½¤Î¹æ¤ò¸«¤ë¤È¡¤¥Ü¥¯¤Î¥Ú¡¼¥Ñ¡¼¤¬¿ôËܰúÍѤµ¤ì¤Æ¤¤¤ë¤Î¤òȯ¸«¤·¤¿¡¥¾¯¤·¤¦¤ì¤·¤«¤Ã¤¿¡¥¤½¤Î¥¸¥ã¡¼¥Ê¥ë¤Î Fulltext search ¤ò¤ä¤Ã¤Æ¤ß¤¿¤é¡¤¥Ü¥¯¤ò°úÍѤ·¤¿¤½¤ì¤é¤Î¥Ú¡¼¥Ñ¡¼¤Ï¤Ò¤Ã¤«¤«¤é¤Ê¤«¤Ã¤¿¡¥¾¯¤·¤¦¤ì¤·¤¯¤Ê¤«¤Ã¤¿¡¥

¡Ú2005/12/17 07:31 ¡Û
| ¼Ò²ñ²Ê³Ø | ¥³¥á¥ó¥È(1) | ¥È¥é¥Ã¥¯¥Ð¥Ã¥¯(0) |
| ¥Û¡¼¥à |