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We study monetary policy in a New Keynesian (NK) model with endogenous growth and knowledge spillovers external to each firm. We find the following results: (i) technology and government spending shocks have different effects on growth; (ii) disinflationary monetary policies entail positive effects on growth; (iii) the optimal long-run inflation rate is zero; (iv) the Ramsey dynamics implies deviation from full inflation targeting in response to technology and government spending shocks; (v) the optimal operational rule is backward looking and responds to inflation and output deviations from their long-run levels.

The adoption of a Taylor‐type monetary policy rule and an inflation target for emerging market economies that choose a flexible exchange rate regime is often advocated. This paper investigates the issue of exchange rate determination when interest‐rate feedback rules are implemented in a continuous‐time optimizing model of a small open economy facing an imperfect global capital market. It is demonstrated that when a risk premium on external debt affects the monetary policy transmission mechanism, the Taylor principle is not a necessary condition for determinacy of equilibrium. On the other hand, it is shown that exchange rate dynamics critically depend on whether monetary policy is active or passive. In terms of optimal monetary policy, it is demonstrated that the degree of responsiveness of the nominal interest rate to inflation should be related to the stock of foreign debt. Specifically, it is optimal to implement a more passive monetary policy stance in response to larger levels of the outstanding foreign‐currency‐denominated debt.

This paper investigates the dynamics of the price level in a continuous time monetary version of the Yaari-Blanchard overlapping generations model with capital accumulation. It is shown that there is an interaction between fiscal disci- pline and price stability when the government budget is intertemporally balanced. Relevant implications are that high debt and slow adjustment adversely affect both prices and capital accumulation. ; info:eu-repo/semantics/publishedVersion