PT - JOURNAL ARTICLE AU - Stanley J. Kon AU - Christine Y. Polek TI - Time-Varying Empirical Duration and Slope Effects for Mortgage-Backed Securities AID - 10.3905/jfi.1998.408242 DP - 1998 Sep 30 TA - The Journal of Fixed Income PG - 7--28 VI - 8 IP - 2 4099 - https://pm-research.com/content/8/2/7.short 4100 - https://pm-research.com/content/8/2/7.full