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External imbalances from a GVAR perspective

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In this paper we study the drivers governing external disequilibria through a Global VAR (GVAR) analysis applied to a group of 24 countries during the period 1972-2017. The GVAR methodology is particularly well suited for our research question. First, it permits to measure the effects of both, domestic and foreign country-specific shocks. Second, it allows to analyze not only the long-run relationships, but also the dynamics through generalized impulse-response functions. Third, it enables to test many hypotheses from a macroeconomic perspective and the existence of spillovers. Our results show evidence of international financial integration in terms of the fulfillment of the real interest rate parity. Concerning the Twin Deficit hypothesis, we find no linkages between domestic current account and fiscal deficit. In addition, we show how German fiscal policy has relevant spillover effects on other European countries (such as France, Spain and the Netherlands) as well as on the US and India. Finally, the global shocks have long-lasting effects in most of the countries analyzed, especially through the real oil prices. These results provide some clues about how to implement a more symmetrical external adjustment, especially inside the euro area.

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Articles publicats en revistes  (Econometria, Estadística i Economia Aplicada)

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External imbalances from a GVAR perspective