Stability of business cycles and economic openness of monetary union
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In this study, we focus on the relationship between the stability of business cycle and the criteria for an optimum currency area. We do so by investigating the effect of satisfying the criterion of the degree of economic openness on the stability of the business cycle, using a Kaldorian two-country model with a monetary union and imperfect capital mobility. We find that an increase in capital mobility is a destabilizing factor, whereas an increase in the degree of openness of an economy and a counter-cyclical fiscal policy are stabilizing factors. Furthermore, we obtain the result that a high degree of economic openness can adjust a shock in the monetary union regardless of whether the shock is asymmetric. The criterion of degree of economic openness serves as one of the criteria for optimum currency area, even if an asymmetric shock tends to occur by regional concentration of industry due to high degree of openness of the economy.
KeywordsOptimum currency area Economic openness Kaldorian two-country model Business cycle stability Euro area
JEL classificationE12 F13 F15 F41 F44 F45
An earlier version of this paper was presented at the 8th Spring Meeting of The Japan Society of International Economics at Hokkaido University, Sapporo, Japan, June 16, 2018. I would like to thank Prof. Hiroaki Sasaki (Kyoto University) for helpful comments at the presentation. Then, I am also grateful to the anonymous reviewers of this journal for their constructive comments on earlier version of this paper. Needless to say, any remaining errors are solely my responsibility.
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Conflict of interest
The author declares that there are no conflicts of interest.
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