Table 1. Summary statistics.

Jarque-Bera test with the null hypothesis of a symmetric distribution with no excess kurtosis is used here, p-values are reported in the brackets.

	Czech Rep.	Hungary	Poland	Slovakia
average	6.773	8.917	11.558	13.745
median	6.900	8.650	9.950	14.000
SD	1.179	1.872	3.987	2.491
minimum	4.000	5.800	6.300	8.500
maximum	9.100	11.800	21.000	19.700
skewness	-0.644	0.014	0.948	0.160
excess kurtosis	-0.207	-1.507	-0.419	-0.067
Jarque-Bera test	8.498	11.364	18.855	0.536
p-value	[< 0.05]	[< 0.01]	[< 0.01]	[> 0.10]
observations	120	120	120	120