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Matin, R. K., G.R. Amin and A. Emrouznejad (2014), A Modified Semi-Oriented Radial Measure for target setting with negative data, Measurement 54: 152–158.

Matin, R. K., G.R. Amin and A. Emrouznejad (2014), A Modified Semi-Oriented Radial Measure for target setting with negative data, Measurement 54: 152–158.

Over the last few years Data Envelopment Analysis (DEA) has been gaining increasing popularity as a tool for measuring efficiency and productivity of Decision Making Units (DMUs). Conventional DEA models assume non-negative inputs and outputs. However, in many real applications, some inputs and/or outputs can take negative values. Recently, Emrouznejad et al. (2010a) introduced a Semi-Oriented Radial Measure (SORM) for modelling DEA with negative data. This paper points out some issues in target setting with SORM models and introduces a modified SORM approach. An empirical study in bank sector demonstrates the applicability of the proposed model.

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