Stochastic Trends and Economic Fluctuations in a Small Open Economy

Erik Mellander, Anders Vredin () and Anders Warne

Journal of Applied Econometrics, 1992, vol. 7, issue 4, 369-94

Abstract: In this paper we describe how restricted vector autoregressions can be employed to examine the sources of macroeconomic fluctuations. We show how cointegration restrictions can be used to identify a VAR system with common stochastic trends subject to transitory and permanent changes in average growth, and how we may investigate the system's responses to permanent shocks, i.e. to innovations to the trends. Theoretical cointegration vectors are derived from a small open economy growth model for terms of trade, real GDP, real consumption. and real investments. Applying these methods to Swedish annual data (1875-1986) we find that permanent real (supply) shocks account for most of the fluctuations in GDP, even in the short run. Copyright 1992 by John Wiley & Sons, Ltd.

Date: 1992
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