"This paper uses the sequence of government budget constraints to motivate estimates of interest payments on the U.S. Federal government debt. We explain why our estimates differ conceptually and quantitatively from those reported by the U.S. government. We use our estimates to account for...

Congress first imposed an aggregate debt limit in 1939 when it delegated decisions about designing US debt instruments to the Treasury. Before World War I, Congress designed each bond and specified a maximum amount of each bond that the Treasury could issue. It usually specified purposes for...