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Efficiency in European railways : not as inefficient as one might think
Christopulos, Dēmētrēs K., (2001)
The Abrams curve of government size and unemployment: evidence from panel data
Christopoulos, Dimitris K., (2005)
The Abrams curve of government size and unemployment : evidence from panel data
Christopulos, Dēmētrēs K., (2005)