This paper investigates the potential expansion of an indicator set for research performance evaluation to include citations for the mapping of research impact. To this end, we use research performance data of German business schools and consider the linear correlations and the rank correlations...

Cone ratios, assurance regions and similar data envelopment analysis (DEA) approaches measuring the efficiency of decision making units (DMU) restrict their ability to “show themselves in the most favorable light”. Indeed they limit the relations or the multipliers of inputs and outputs as...