How would fiscal dominance change interest payments on bank reserves?
Core argument: Fiscal dominance, defined as the government's need to fund deficits at the margin with non-interest-bearing debts, relies on inflation taxation composed of expected and unexpected components, both limited in their capacity to fund real government expenditures.
The essence of fiscal dominance is the need for the government to fund its deficits on the margin with non-interest-bearing debts. Inflation taxation has two components: expected and unexpected inflation taxation. Both are limited in their ability to fund real government expenditures. The expected component of inflation taxation (per period) is the product of the nominal interest rate and the inflation tax base, which consists of all non-interest bearing government debt. Unexpected inflation taxation occurs when the nominal value of outstanding government debt falls unexpectedly (thereby taxing government debtholders), and this component is also limited by the ability of government to surprise markets by creating unanticipated inflation. It is quite possible that a fiscal dominance episode in the US would result in not only the end of the policy of paying interest on reserves, but also a return to requiring banks to hold a large fraction of their deposit liabilities as zero-interest reserves.


