RT Journal Article SR Electronic T1 What Makes the Municipal Yield Curve Rise? JF The Journal of Fixed Income FD Institutional Investor Journals SP 65 OP 71 DO 10.3905/JFI.2009.18.3.065 VO 18 IS 3 A1 Andrew J. Kalotay A1 Michael P. Dorigan YR 2008 UL https://pm-research.com/content/18/3/65.abstract AB It is well known that municipal yield curves are always upward sloping. The authors provide a straightforward explanation for this phenomenon. Previous researchers have apparently overlooked that the tax-exempt yields under consideration come from bonds callable after 10 years at, or close to, par. The authors show that as long as the yields are based on such callable bonds, the curve will always be upward sloping, regardless of the shape of the underlying optionless yield curve.TOPICS: Fixed-income portfolio management, legal/regulatory/public policy, accounting and ratio analysis