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Title Author(s) Citation Issue Date Type ãæ å ±åãšäººéåŽåã éç°, å²å€« äžæ©ç ç©¶, 14(4): 107-130 1990-01-31 Departmental Bulletin Paper Text Version publisher URL http://hdl.handle.net/10086/5995 Right Hitotsubashi University Repository 107 ræ å ±åãšäººéåŽåã ãæ å ±åãšäººååŽåã éâç°âå²â倫 ã³ã³ãã¥ãŒã¿ãã¯ãããžãŒã®çºéã«ã¿ããããããªæ å ±å¶åŸ¡ç³»åŽåææ®µã®çº éã¯ïŒã³ã³ãã¥ãŒã¿ã»ããŒãã®çºéã§ãã£ããšåæã«ïŒãªãã¬ãŒãã£ã³ã°ã»ã· ã¹ãã ïŒOâSïŒãããŒã¿ããŒã¹ç®¡çã·ã¹ãã ïŒDâBMSïŒïŒãããã¯ãŒã¯å¶åŸ¡ ãœããïŒDâCMSïŒãªã©ã«ä»£è¡šãããïŒãããã®ãœãããŠãšã¢ãã³ã³ãã¥ãŒã¿ã» ããŒãããåãé¢ãïŒæ®åããŠããéçšã§ããã£ããåœåïŒãœãããŠã§ã¢ã«äœ¿ çšãããéçºèšèªã¯ïŒç ç©¶éçºåéã«éããããã®ã§ãã£ããïŒIâBMã«ãã ã³ã³ãã¥ãŒã¿ããžãã¹ã®æ¯é 暩確ç«ä»¥æ¥ïŒäžè¬ã®ãŠãŒã¶ãŒã«ãæ®åãïŒããŒã ãŠã§ã¢ã®èŒããè§£ãæŸãããç¡æ°ã®ã¢ããªã±ãŒã·ã§ã³ãœãããéçºããïŒåæ ã«ïŒããèªèº«ã䟡å€ïŒäŸ¡æ Œããã€ç¬èªã®ååãšããŠèªç«ããããšã«ãªã£ãã®ã§ ããã ãã®ãœãããŠã§ã¢ã®çºéã¯ïŒã³ã³ãã¥ãŒã¿ã»ããŒãæ©èœã®æ±çšæ§ã»åŒŸåæ§ã é«ãããã®ã§ããïŒãããããµã³ã¯ã»ã³ã¹ãã®æ¶å€±ã«ããã³ã³ãã¹ããã«ã»ã㌠ã±ããïŒç«¶äºçãªè³æ¬äž»çŸ©ç€ŸäŒïŒã®åºçŸã説ã䞻匵ããããïŒãŸããã£ãŠïŒã 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