1. Connect issuer sophistication to portfolio design: Less financially sophisticated issuers may pose greater disclosure or governance risk, but they may also exercise call options less efficiently. For some investors, that trade-off may be attractive.
2. Reinterpret yield differences: A higher yield on a callable bond from an advisor-heavy issuer may simply compensate for higher call probability. Yield alone can be misleading without conditioning on issuer behavior.
3. Look beyond the first call date: Advance refundings and redemption mechanics matter as much as stated call provisions. Advisors facilitate these transactions, expanding the practical reach of the call option.
References
Ang, A., Green, R.C., Longstaff, F.A., and Xing, Y. 2017. “Advance Refundings of Municipal Bonds.” Journal of Finance 72: 1645–1682.
Brancaccio, G., and K. Kang. 2025. “Search Frictions and Product Design in the Municipal Bond Market.” Econometrica 93, no. 6: 2159–2199.
Chen, H., Cohen, L., and Liu, W. 2024. “Calling All Issuers: The Market for Debt Monitoring.” Management Science 71(8): 6367—6391.
Garrett, D. G. 2024. “Conflicts of Interest in Municipal Bond Advising and Underwriting.” Review of Financial Studies 37, no. 12: 3835–3876.
Garrett, D.G., and Malakar, B. 2026. “The Evolving Role of 21st Century Municipal Finance Advisors.” Public Budgeting & Finance 0: 1-24.
Harris, L. E., and M. S. Piwowar. 2006. “Secondary Trading Costs in the Municipal Bond Market.” Journal of Finance 61, no. 3: 1361–1397.
Luby, M.J., and Orr, P. 2019. “From NIC to TIC to RAY: Estimating Lifetime Cost of Capital for Municipal Borrowers.” Municipal Finance Journal 39(4): 29—45.
Malakar, B. 2024. “Fiduciary Duty in the Municipal Bonds Market.” Municipal Finance Journal volume 45, numbers 2-3, Summer-Fall 2024.
