This paper examines mean and volatility spillovers between four green municipal bonds issued by the US states of California, Colorado, Columbia and Ohio, and the role played by the recent Covid-19 pandemic and the COP policy announcements respectively. Specifically, four-variate VAR-GARCH-BEKK...

We study the valuation of state-issued tax-exempt municipal bonds and find that there are significant convenience premia in their prices. These premia parallel those identified in Treasury markets. We find evidence that these premia are tax related. Specifically, the premia are related to...

We investigate how political uncertainty around U.S. gubernatorial elections affects local government borrowing costs. Municipal bond yields sharply increase by 7 basis points before an election and reverse afterward. This political risk premium is higher during economic downturns and close...

The alarming rise in drinking water pollution across the U.S. is often attributed to cost cutting pressures faced by local officials. We know little, however, about why these pressures are so severe for some cities compared to others. We present a new theory to argue that an important...

This paper examines the pricing of bonds issued by states and local governments. I use three distinct, complementary approaches to decompose municipal bond spreads into default and liquidity components, finding that default risk accounts for 74% to 84% of the average municipal bond spread after...

We examine the impact of population aging on municipal access to credit. A one standard deviation increase in a state's population age leads to a 23 basis point increase in municipal bond issue spread. Three mechanisms drive this effect: income tax revenue, healthcare liabilities, and pension...

Green municipal bonds are a growing segment of the US municipal bond market. As they face increasing demand, there have been questions about the performance of green muni bonds relative to their conventional counterparts. In this paper, we perform yield curve analysis on a selection of...