Variables

Item

Factor loading

Cronbach’s α coefficients

Vertical relationship capital

a1

0.679

0.795

a2

0.525

a3

0.686

a4

0.555

Horizontal relationship capital

a5

0.657

0.798

a6

0.585

a7

0.618

a8

0.586

Social relationship capital

a9

0.598

0.808

a10

0.608

a11

0.700

a12

0.735

a13

0.603

a14

0.767

a15

0.601

a16

0.576

Breakthrough service innovation

b1

0.547

0.894

b2

0.721

b3

0.702

Incremental service innovation

b4

0.652

0.792

b5

0.659

b6

0.695

Service innovation performance

c1

0.822

0.839

c2

0.788

c3

0.827

c4

0.830

c5

0.805