This paper explores several issues concerning a possible zero lower bound (ZLB) including its theoretical rationale; the magnitude of effects of low sustained inflation on real interest rates; the validity of analyzing monetary policy in models with no monetary variables; and the dynamic...

In a recent paper, Canzoneri, Henderson, and Rogoff have shown that it is possible for the monetary authority to peg the nominal interest rate without creating price level indeterminacy in a simplified version of the 1975 Sargent-Wallace model. The present paper begins by reviewing that result,...