1

2

3

4

5

lnsocial

0.2856^***

0.2803^***

0.2836^***

0.2758^***

0.2722^***

t = −2.1329

t = 8.1383

t = 7.4803

t = 14.9529

t = 13.4758

Interest

0.6217

−0.8887

−5.2234^**

−5.0829^**

t = −0.2064

t = −0.2692

t = −2.7935

t = −2.5877

lncpi

0.4926

−0.5358

t = 0.2989

t = −0.5962

lnnum

0.2574^***

0.2657^***

t = 4.8455

t = 4.6501

R²

0.9393

0.9451

0.9457

0.9861

0.9867