Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/219107 
Year of Publication: 
2020
Series/Report no.: 
CESifo Working Paper No. 8289
Publisher: 
Center for Economic Studies and Ifo Institute (CESifo), Munich
Abstract: 
This paper provides new evidence on the stochastic behaviour of the EPU (Economic Policy Uncertainty (EPU) index constructed by Baker et al. (2016) in six of the biggest economies (Canada, France, Japan, US, Ireland, and Sweden) over the period from January 1985 to October 2019. In particular, it uses fractional integration methods to shed light on its degree of persistence, and also carries out appropriate break tests. Further, the possible co-movement of this index between countries is examined applying a fractional cointegration method which tests for the possible existence of a long-run equilibrium relationship linking the individual indices. EPU is found to be in most cases a non-stationary, mean-reverting series which is characterised by long memory. Several breaks are also detected in each country. Finally, there is very little evidence of cross-country linkages.
Subjects: 
economic policy uncertainty
persistence
long memory
fractional integration
fractional cointegration.
JEL: 
C15
C32
C51
C52
E60
Document Type: 
Working Paper
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