The major purpose of this dissertation is to explore the determinants of interest cost for state bonds. Various kinds of variables pertaining to issue characteristics, market characteristics, economic conditions, and political variables were statistically tested to assess their impact on the interest cost of state bonds. This research examines the variables found to be significant for local bonds, as well as some factors unique to state bonds, e.g., the types state agencies issuing debt and the effect of different state income tax policies.