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Efficiency analysis of East and West German electricity distribution companies - Do the "Ossis" really beat the "Wessis"?
Hess, Borge; Cullmann, Astrid - In: Utilities Policy 15 (2007) 3, pp. 206-214
Persistent link: https://www.econbiz.de/10005194074
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Größenvorteile bei Busunternehmen des ÖPNV in Deutschland : eine vergleichende Effizienzanalyse
Hirschhausen, Christian R. von; Cullmann, Astrid; Hess, … - In: Internationales Verkehrswesen 60 (2008) 6, pp. 223-227
Persistent link: https://www.econbiz.de/10003722507
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Efficiency analysis of East and West German electricity distribution companies : do the "Ossis" really beat the "Wessis"?
Hess, Borge; Cullmann, Astrid - In: Utilities policy : governance, performance, analysis 15 (2007) 3, pp. 206-214
Persistent link: https://www.econbiz.de/10003523111
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ÖPNV - Economies of scale of local bus operators in Germany
von Hirschhausen, Christian; Cullmann, Astrid; Hess, Borge - In: Internationales Verkehrswesen : Transport and mobility … 60 (2008) 6, pp. 223-227
Persistent link: https://www.econbiz.de/10008066089