(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

Homepage_if_i

2.002***

(10.21)

0.983***

(5.24)

1.912***

(9.74)

0.957***

(5.12)

Upadates_dum_i

0.834***

(3.92)

−0.311

(−1.48)

0.774***

(3.64)

−0.324

(−1.54)

SocialMedia_if_i

1.122***

(4.52)

0.411*

(1.89)

0.774***

(3.21)

0.342

(1.59)

LnFocus_i

1.041***

(9.32)

0.982***

(8.81)

1.021***

(9.09)

0.968***

(8.65)

LnTopics_i

0.627***

(6.28)

0.577***

(5.46)

0.617***

(6.19)

0.571***

(5.43)

LnTarget_i

−0.267*

(−1.70)

−0.975***

(−6.62)

−0.379**

(−2.51)

−0.985***

(−6.52)

−0.316**

(−2.05)

−0.980***

(−6.70)

−0.408***

(−2.74)

0.990***

(−6.59)

LnTotal_Day_s

1.521***

(2.80)

−0.108

(−0.24)

1.143**

(2.10)

−0.024

(−0.05)

1.456***

(2.68)

−0.102

(−0.22)

1.121**

(2.06)

−0.018

(−0.04)

Videoi

0.409*

(1.86)

−0.129

(−0.68)

0.281

(1.34)

−0.088

(−0.47)

0.214

(−1.03)

−0.190

(0.99)

0.155

(−0.75)

−0.138 (0.75)

Brand_i

0.479

(−1.03)

−0.566

(−1.48)

−0.697

(−1.54)

−0.578

(−1.52)

−0.668

(−1.43)

−0.633*

(−1.65)

−0.815*

(−1.80)

−0.631*

(−1.66)

Patent_i

0.018

(0.08)

−0.232

(−1.23)

−0.089

(−0.42)

−0.245

(−1.31)

0.016

(0.07)

−0.228

(−1.21)

−0.085

(−0.40)

−0.242

(−1.29)

Startupsi

−0.391*

(−1.84)

−0.216

(−1.20)

−0.385*

(−1.91)

−0.227

(−1.28)

−0.386*

(−1.83)

−0.217

(−1.21)

−0.382*

(−1.91)

−0.227

(−1.28)

N

R²

457

0.0302

457

0.3122

457

0.1320

457

0.3301

457

0.0524

457

0.3150

457

0.1423

457

0.3320