À繫¿¬±¸ Á¦ ±Ç È£ (2010³â 5¿ù)
Asian Review of Financial Research, Vol., No..
pp.1165~1179
pp.1165~1179
Çѱ¹ ³ó»ê¹° °¡°ÝÀÇ Àå±â±â¾ï¼Ó¼º
- ±èÈ«¼® POSTECH ¹°¸®Çаú
- ¿À°©Áø Á¶¼±´ëÇб³ °æ¿µÇкÎ
- ±è½Âȯ POSTECH ¹°¸®Çаú
º» ¿¬±¸´Â Çѱ¹ ³ó»ê¹° ½ÃÀåÀÇ Àå±â±â¾ï¼Ó¼ºÀÇ Á¸ÀçÀ¯¹«¸¦ °ËÁõÇϱâ À§ÇØ Çѱ¹ ³ó»ê¹° 4°³ Ç°¸ñ(¾çÆÄ, ¹«, ´ëÆÄ, ¹èÃß)ÀÇ ÀϺ° Æò±Õ °¡°Ý ÀÚ·áÀÇ ¼öÀÍ·ü°ú º¯µ¿¼ºÀÇ HurstÁö¼ö¸¦ DFA(detrended fluctuation analysis)¹æ¹ýÀ» ÅëÇØ ÃøÁ¤ÇÏ¿´´Ù. ±× °á°ú ³ó»ê¹° °¡°ÝÀÇ º¯µ¿¼º¿¡´Â Àå±â±â¾ï¼Ó¼ºÀÇ Á¸À縦 ÁöÁöÇÏ´Â Áõ°Å¸¦, ¼öÀÍ·ü¿¡´Â ´Ü±â±â¾ï¼Ó¼ºÀÇ Á¸À縦 ÁöÁöÇÏ´Â Áõ°Å¸¦ ¹ß°ßÇÏ¿´´Ù. ÀÌ´Â Çѱ¹ ³ó»ê¹° ½ÃÀåÀÌ, ¾àÇü È¿À²Àû ½ÃÀå°¡¼³ÀÇ °üÁ¡¿¡¼ º¸¾ÒÀ» ¶§, ºñÈ¿À²Àû ½ÃÀåÀ̶ó´Â °ÍÀ» ÀǹÌÇÒ ¼ö ÀÖ´Ù.
Àå±â±â¾ï¼Ó¼º(long term memory),Çѱ¹ ³ó»ê¹° °¡°Ý,´Ü±â±â¾ï¼Ó¼º(shor term memory),DFA(detrended fluctuation analysis)¹æ¹ý