PT - JOURNAL ARTICLE AU - Antti Ilmanen TI - Does Duration Extensions Enhance Long-Term Expected Returns? AID - 10.3905/jfi.1996.408172 DP - 1996 Sep 30 TA - The Journal of Fixed Income PG - 23--36 VI - 6 IP - 2 4099 - https://pm-research.com/content/6/2/23.short 4100 - https://pm-research.com/content/6/2/23.full