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Malmquist indexes using a geometric distance function (GDF) : Allpication to a sample of Portuguese bank branches
Portela, Maria Conceição A. Silva; Thanassoulis, Emmanuel - In: Journal of productivity analysis 25 (2006) 1/2, pp. 25-41
Persistent link: https://www.econbiz.de/10003311513
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Malmquist-type indices in the presence of negative data : an application to bank branches
Portela, Maria Conceição A. Silva; Thanassoulis, Emmanuel - In: Journal of banking & finance 34 (2010) 7, pp. 1472-1483
Persistent link: https://www.econbiz.de/10008649471
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Finding closest targets in non-oriented DEA models : the case of convex and non-convex technologies
Portela, Maria Conceição A. Silva; Borges, Pedro Castro; … - In: Journal of productivity analysis 19 (2003) 2/3, pp. 251-269
Persistent link: https://www.econbiz.de/10001764166
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Closet targets in non-oriented DEA models
Portela, Maria Conceição A. Silva (contributor);  … - 2002 - [Elektronische Ressource]
Persistent link: https://www.econbiz.de/10001747587