From: Crowdfunding innovative but risky new ventures: the importance of less ambiguous tone
 | Cleantech sample | Matched non-cleantech sample | ||||||
---|---|---|---|---|---|---|---|---|
(1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | |
Success | Success | Money pledged | Money pledged | Success | Success | Money pledged | Money pledged | |
Uncertain_R2 | −0.089*** |  | −0.162*** |  | −0.005 |  | −0.076*** |  |
 | (−5.58) |  | (−4.31) |  | (−1.38) |  | (−4.33) |  |
Weak modal_R2 |  | −0.038*** |  | −0.088*** |  | −0.004 |  | −0.024** |
 |  | (−4.85) |  | (−4.03) |  | (−1.54) |  | (−2.17) |
Funding goal | −0.117*** | −0.120*** | 0.618*** | 0.601*** | −0.115*** | −0.116*** | 0.551*** | 0.549*** |
 | (−10.56) | (−10.62) | (13.43) | (12.74) | (−22.90) | (−23.08) | (23.77) | (23.52) |
Duration | −0.070* | −0.063 | 0.400*** | 0.391*** | −0.008 | −0.009 | 0.526*** | 0.530*** |
 | (−1.80) | (−1.56) | (2.78) | (2.67) | (−0.44) | (−0.46) | (6.99) | (6.97) |
Rewards | 0.127*** | 0.130*** | 0.206** | 0.223** | 0.118*** | 0.117*** | 0.098** | 0.104** |
 | (4.99) | (5.20) | (2.28) | (2.48) | (10.37) | (10.35) | (2.07) | (2.19) |
Quick updates | 0.085*** | 0.091*** | 0.174*** | 0.172*** | 0.107*** | 0.107*** | 0.269*** | 0.269*** |
 | (4.57) | (4.83) | (2.83) | (2.75) | (12.37) | (12.38) | (7.58) | (7.58) |
Comment quantity | 0.084*** | 0.079*** | 0.332*** | 0.324*** | 0.046*** | 0.046*** | 0.137*** | 0.128*** |
 | (13.60) | (13.07) | (15.16) | (14.61) | (34.90) | (37.60) | (21.86) | (22.37) |
Backer sentiment | 0.071*** | 0.073*** | 0.172*** | 0.196*** | 0.024*** | 0.024*** | 0.093*** | 0.095*** |
 | (4.03) | (4.09) | (3.06) | (3.53) | (3.04) | (3.02) | (3.64) | (3.67) |
Total words | 0.110*** | 0.076*** | 0.265*** | 0.207*** | 0.074*** | 0.074*** | 0.205*** | 0.153*** |
 | (4.44) | (3.49) | (3.46) | (2.85) | (7.38) | (7.30) | (4.92) | (3.78) |
Featured | 0.207*** | 0.214*** | 0.126* | 0.130* | 0.155*** | 0.155*** | 0.299*** | 0.299*** |
 | (7.67) | (7.71) | (1.75) | (1.79) | (12.70) | (12.70) | (7.56) | (7.54) |
Social network | 0.032*** | 0.034*** | 0.012 | 0.008 | 0.012** | 0.012** | 0.003 | 0.003 |
 | (3.04) | (3.17) | (0.44) | (0.31) | (2.40) | (2.45) | (0.20) | (0.20) |
ARI | −0.003 | −0.002 | −0.014 | −0.018 | −0.001 | −0.001 | −0.011* | −0.012* |
 | (−0.75) | (−0.51) | (−0.95) | (−1.18) | (−0.82) | (−0.82) | (−1.67) | (−1.74) |
Net positive | 0.029*** | 0.035*** | 0.074** | 0.080** | 0.020*** | 0.020*** | 0.026 | 0.028 |
 | (2.80) | (3.37) | (2.09) | (2.22) | (4.22) | (4.29) | (1.32) | (1.41) |
Risk index | −0.008 | −0.010 | −0.062 | −0.071* | −0.012** | −0.012** | −0.030 | −0.032 |
 | (−0.68) | (−0.80) | (−1.48) | (−1.68) | (−2.09) | (−2.04) | (−1.48) | (−1.56) |
Video | 0.028*** | 0.028*** | 0.031 | 0.035 | 0.014*** | 0.014*** | −0.002 | −0.000 |
 | (3.15) | (3.13) | (0.89) | (1.01) | (3.74) | (3.75) | (−0.16) | (−0.00) |
Image | 0.040*** | 0.040*** | 0.031 | 0.031 | 0.009** | 0.009** | 0.023 | 0.024 |
 | (3.77) | (3.79) | (0.87) | (0.88) | (2.15) | (2.15) | (1.48) | (1.52) |
Constant | Â | Â | 0.547 | 0.621 | Â | Â | 1.215*** | 1.241*** |
 |  |  | (0.75) | (0.82) |  |  | (2.92) | (2.95) |
Subcategory control | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Year controls | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Location controls | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Observations | 1172 | 1172 | 434 | 434 | 4798 | 4798 | 1800 | 1800 |
Adjusted R2 | Â | Â | 0.743 | 0.737 | Â | Â | 0.688 | 0.686 |
Chi square | 309.386 | 321.063 | Â | Â | 1172.744 | 1173.057 | Â | Â |
SUEST test on the difference of the coefficients (Chi square) | ||||||||
 | (1)−(5) |  | (2)−(6) |  | (3)−(7) |  | (4)−(8) |  |
Uncertain | 23.377*** | Â | Â | Â | 4.513** | Â | Â | Â |
Weak modal | Â | Â | 16.398*** | Â | Â | Â | 7.025*** | Â |