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Data envelopment analysis : a basis for incentive contracting
Hoffmann, Eva, (1996)
Produktivität von Dienstleistungen
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Effects of Ownership on Hospital Efficiency in Germany
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Treating non-discretionary variables one way or the other: implications for efficiency scores and their interpretation
Staat, Matthias, (1999)
Aktive Arbeitsmarktpolitik, Arbeitsvermittlung und soziale Sicherung : was leisten die Systeme verschiedener Länder?
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The effect of sample size on the mean efficiency in DEA : comment
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