Affiliation: | (1) Department of Statistics, Charles University of Prague, Sokolovská 83, CZ–18675 Praha 8, Czech Republic;(2) UTIA Czech Academy of Sciences, Pod vodárenskou věží 4, 18000 Praha 8, Czech Republic;(3) Department of Economics, National and Kapodistrian University of Athens, 8 Pesmazoglou Street, 105 59 Athens, Greece |