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We discuss how the welfare ranking of fixed and flexible exchange rate regimes in a New Open Economy Macroeconomics model depends on the interplay between the degree of exchange rate pass-through and the elasticity of substitution between home and foreign goods. We identify combinations of these two parameters for which flexible and for which fixed exchange rates are superior with respect to welfare as measured by a representative household's utility level. We estimate the two parameters for six non-EMU European countries (Czech Republic, Hungary, Poland, Slovakia, Sweden, United Kingdom) using a heterogeneous dynamic panel approach. -- Elasticity of substitution between home and foreign goods ; exchange rate pass-through ; exchange rate regime choice ; expenditure switching effect ; heterogeneous dynamic panel ; New Open Economy Macroeconomics

We explore the impact of mortgage securitization on the international diversification of macroeconomic risk. By making mortgage-related risks internationally tradeable, securitization contributes considerably to better international consumption risk sharing: we find that countries with the most highly developed markets for securitized mortgage debt have consumption responses to a typical idiosyncratic business cycle shock that are 20-30 percent less volatile than those experienced by countries that do not allow for mortgage securitization. Our results are based on quarterly data from a panel of 16 industrialized countries and cover the sample period 1985-2008Q1. They are robust to a range of controls for other aspects of financial globalization, international differences in the structure of housing markets and the financial system etc. Against the backdrop of the subprime crisis, these findings inevitably raise the question whether securitization could not just facilitate risk sharing in tranquil times but that it actually fails to provide international insurance in severe crisis periods. Indeed, we find that international risk sharing decreases in global asset price downturns and increases in booms. But we do not find evidence that countries with more developed securitization markets are systematically more exposed to these fluctuations in the extent to which risk can be shared across national boundaries.

This paper examines the interaction of G7 real exchange rates with real output and interest rate differentials. Using cointegration methods, we generally find a link between the real exchange rate and the real interest differential. This finding contrasts with the majority of the extant research on the real exchange rate - real interest rate link. We identify a new measure of the equilibrium exchange rate in terms of the permanent component of the real exchange rate that is consistent with the dynamic equilibrium given by the cointegration relation. Furthermore, the presence of cointegration also allows us to identify real, nominal and transitory disturbances with only minimal identifying restrictions. Our findings suggest that persistent deviations of real exchange rates from their equilibrium value can have feedback effects on the underlying fundamentals, hence altering the equilibrium exchange rate itself. This has important implications for the persistence measures of real exchange rates that are reported elsewhere in the literature.

In this paper Friedmann (1953) and Mundell´s (1968) position favouring flexible over alternative exchange rate regimes is reassessed in the context of international financial market integration. In a new open economy macroeconomic framework the paper shows that financial market integration causes a monetary policy trade-off between stabilising domestic goods prices as opposed to stabilising the terms of trade. Therefore, the welfare ranking of different exchanges rate rules changes during the process of international financial integration. It becomes evident that no single exchange rate regime outperforms in stabilising both domestic consumption and output variability in the process of financial market integration.

This paper investigates the hypothesis that in a small open economy flexible exchange rates act as a 'shock absorber' and mitigate the effects of external shocks more effectively than fixed exchange rate regimes. Using a sample of 42 developing countries, the paper assesses whether the responses of real GDP, the trade balance and the real exchange rate to world output and world real interest rate shocks differ across exchange rate regimes. The paper shows that there are significant differences in the variability of macroeconomic aggregates under fixed and flexible exchange rate regimes.

Abstract.  Intertemporal models of the current account generally assume that global shocks do not affect the current account. We use this assumption to identify global and country‐specific shocks in a bivariate VAR of output and the current account. Cross‐country evidence from the G7 economies suggests that this identification works surprisingly well. We then employ our method to collect stylized facts on international macroeconomic fluctuations. We find that long‐term output growth is driven mainly by global factors in most G7 countries and that country‐specific shocks are less persistent and generally less volatile than global shocks. JEL Classification: F41, F43, C32Fluctuations macroéconomiques internationales et compte courant.  Les modèles inter‐temporels du compte courant postulent généralement que les chocs globaux n'affectent pas le compte courant. On utilise ce postulat pour identifier les chocs globaux et ceux qui sont spécifiques à des pays donnés dans un modèle VAR du produit global et du compte courant. Les résultats transversaux pour les pays du G7 suggèrent que cette forme d'identification donne de très bons résultats. On emploie cette méthode pour examiner des faits stylisés des fluctuations macro‐économiques internationales.Il appert que la croissance à long terme du produit dépend de facteurs globaux dans la plupart des pays du G7 et que les chocs particuliers aux pays ont un impact moins permanent et moins volatile que les chocs globaux.