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Efficiency in European railways : not as inefficient as one might think

Christopulos, Dēmētrēs K.; Loizides, Ioannis; … - In: Journal of applied economics 4 (2001) 1, pp. 63-88

Persistent link: https://www.econbiz.de/10001596984

Banking economic efficiency in the deregulation period : results from heteroscedastic stochastic frontier models

Christopulos, Dēmētrēs K.; Tsionas, Efthymios G. - In: The Manchester School 69 (2001) 6, pp. 656-676

Persistent link: https://www.econbiz.de/10001625405

Determinants of technical inefficiency in European railways : simultaneous estimation of firm-specific and time-varying inefficiency

Tsionas, Efthymios G.; Christopulos, Dēmētrēs K. - In: Konjunkturpolitik : applied economics quarterly ; … 45 (1999) 3, pp. 240-257

Persistent link: https://www.econbiz.de/10001466842

The performance of the Greek banking system in view of the EMU : results from a non-parametric approach

Tsionas, Efthymios G.; Lolos, Sarantis E. G.; … - In: Economic modelling 20 (2003) 3, pp. 571-592

Persistent link: https://www.econbiz.de/10001752160

Efficiency and frontier technology in the aftermath of recessions : international evidence

Christopulos, Dēmētrēs K.; León-Ledesma, Miguel A. - 2009

The relationship between recessions and productivity has been the focus of an important body of theoretical and empirical research in the last two decades. We contribute to this literature by presenting new evidence on the evolution of productivity in the aftermath of recessions. Our method...