Spearman’s correlations calculated on the results obtained by the following different FDH models
FDH O
FDH O_HC
FDH O_ RC
FDH O_ SC
FDH O
1
FDH O_HC
0.47
1
FDH O_ RC
0.43
0.26
1
FDH O_SC
0.32
0.19
0.12
1
FDH O
FDH O_HC
FDH O_ RC
FDH O_ SC
FDH O
1
FDH O_HC
0.47
1
FDH O_ RC
0.43
0.26
1
FDH O_SC
0.32
0.19
0.12
1
Note(s): FDH O includes all intellectual capital inputs, i.e. HC, RC and SC. FDH O_HC includes as input-only HC as intellectual capital. FDH O_RC includes as input-only RC as intellectual capital. FDH O_SC includes as input-only SC as intellectual capital