Abstract
ABSTRACTThis paper applies recently developed Fourier quantile unit root test to investigate time-series property of inflation in seven Eastern European countries. This method combines the quantile unit root test with smooth unknown multiple breaks through Fourier function, and has good size and power when the data follows heavy tailed distribution. Our results show that the inflation rates are stationary within each quantile for Czech Republic, Bulgaria and Lithuania, while the other four countries contain a unit root within some quantiles. We also find the speed of inflation adjustment towards to its long-run equilibrium for each country is asymmetric. Our results have important policy implications for monetary authorities in these Eastern European countries.
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