Starting with a world where all countries apply Nash-optimal tariffs aginst all imports, we ask when , if ever, a group of countries can gain by trading freely ("promise") and when, if ever, it pays an outsider to join them ("attractiveness").

This paper presents a model of capital account crises and uses it to study resolution mechanisms for both liquidity and solvency crises. It shows that liquidity crises should be dealt with by a standstill combined with IMF lending into arrears, whereas solvency crises should be resolved by debt...

This paper analyzes the impact of terms of trade and risk-premium shocks on a small open economy in an intertemporal, Dutch disease model, with international capital mobility. It is shown that when the economy experiences a permanent improvement in the terms of trade, the Dutch disease effect...

This paper investigates the importance of fiscal policy in providing macroeconomic stabilization in a monetary union. We use a microfounded New Keynesian model of a monetary union, which incorporates persistence in inflation and non-Ricardian consumers, and derive optimal simple rules for fiscal...

Leith and Wren-Lewis (2007) have shown that government debt is returned to its pre-shock level in a New Keynesian model under optimal discretionary policy. This has two important implications for monetary and fiscal policy. First, in a high-debt economy, it may be optimal for discretionary...

This paper considers fiscal and monetary policy in a short-run static macroeconomic model. There are two objectives, control of inflation and control over the growth of national wealth, and a third outcome of importance, a high level of employment. There are two instruments, monetary policy (the...

A simple model of North-South interaction is presented with a Keynesian North producing industrial goods and a Classical South producing corn. If the terms of trade clear the corn market then commodity price stabilisation can only slightly increase the average value of Northern real consumption....