Construct

Factor loadings

Reliability Cronbach’s a

Direct green supplier development (DGSD)

0.869

DGSD1

0.784

DGSD2

0.765

DGSD3

0.829

DGSD4

0.861

DGSD5

0.898

DGSD6

0.893

Indirect green supplier development (IGSD)

0.826

IGSD1

0.819

IGSD2

0.837

IGSD3

0.751

IGSD4

0.726

Supplier partnership (SP)

0.881

SP1

0.808

SP2

0.706

SP3

0.812

SP4

0.788

SP5

0.800

SP6

0.847

Environmental performance (EVP)

0.886

EVP1

0.868

EVP2

0.845

EVP3

0.871

EVP4

0.875

Economic performance (ECP)

0.847

ECP1

0.828

ECP2

0.836

ECP3

0.870

ECP4

0.780