Table 5 Robustness checks by alternative...

Table 5

Robustness checks by alternative dependent variables

Estimators: OLS	Inverted U-shaped relationship				Moderating effect
	(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)
DVs	LogFulfillment	LogSupport	LogBackers	LogAverage	LogFulfillment	LogSupport	LogBackers	LogAverage
LogText	0.265*** (0.031)	0.394*** (0.053)	0.139*** (0.024)	0.249*** (0.038)	0.264*** (0.032)	0.416*** (0.053)	0.164*** (0.024)	0.246*** (0.038)
LogVideos	0.372*** (0.062)	0.586*** (0.105)	0.235*** (0.048)	0.369*** (0.076)	0.371*** (0.062)	0.578*** (0.105)	0.230*** (0.047)	0.367*** (0.076)
LogPricerange	0.049*** (0.014)	−0.028 (0.023)	−0.078*** (0.011)	0.047** (0.017)	0.048** (0.017)	−0.136*** (0.029)	−0.197*** (0.013)	0.056** (0.021)
LogTarget	−0.421*** (0.016)	0.189*** (0.027)	0.061*** (0.012)	0.109*** (0.019)	−0.421*** (0.016)	0.220*** (0.027)	0.096*** (0.012)	0.106*** (0.020)
LogDuration	−0.504*** (0.037)	−0.779*** (0.062)	−0.357*** (0.028)	−0.350*** (0.045)	−0.506*** (0.037)	−0.804*** (0.062)	−0.383*** (0.028)	−0.350*** (0.045)
Experience	0.000*** (0.000)	0.000 (0.000)	0.001*** (0.000)	−0.001*** (0.000)	0.000*** (0.000)	0.000 (0.000)	0.001*** (0.000)	−0.000*** (0.000)
SocialNetwork	0.179** (0.061)	0.231* (0.102)	0.035 (0.046)	0.138 (0.074)	0.181** (0.061)	0.229* (0.102)	0.033 (0.046)	0.138 (0.074)
Locations	√	√	√	√	√	√	√	√
IDs	√	√	√	√	√	√	√	√
ProjectType	√	√	√	√	√	√	√	√
BeginMonth	√	√	√	√	√	√	√	√
EndMonth	√	√	√	√	√	√	√	√
Options	0.520** (0.051)*	1.104** (0.086)*	0.447** (0.039)*	0.656** (0.062)*	0.922** (0.165)*	1.682** (0.278)*	0.776** (0.125)*	1.004** (0.201)*
Options2	−0.029** (0.004)*	−0.059** (0.006)*	−0.019** (0.003)*	−0.040** (0.005)*	−0.059** (0.012)*	−0.105** (0.021)*	−0.043** (0.009)*	−0.068** (0.015)*
PriceDifferentiation	–	–	–	–	0.908 (0.388)*	1.691* (0.654)*	1.367** (0.293)*	0.621 (0.472)
Options PriceDifferentiation*	–	–	–	–	−0.285 (0.114)*	−0.364⁺ (0.193)	−0.204 (0.087)*	−0.238⁺ (0.139)
Options2 PriceDifferentiation*	–	–	–	–	0.021* (0.008)*	0.028 (0.014)*	0.014 (0.006)*	0.019⁺ (0.010)
Constant	−1.594*** (0.375)	−1.406* (0.633)	−0.083 (0.287)	−1.106* (0.456)	−2.822*** (0.631)	−3.510*** (1.065)	−1.661*** (0.478)	−2.008** (0.768)
R-squared	0.202	0.138	0.176	0.089	0.203	0.143	0.196	0.089
Observations	9,179	9,179	9,179	9,179	9,179	9,179	9,179	9,179

Estimators: OLS	Inverted U-shaped relationship				Moderating effect
	(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)
DVs	LogFulfillment	LogSupport	LogBackers	LogAverage	LogFulfillment	LogSupport	LogBackers	LogAverage
LogText	0.265*** (0.031)	0.394*** (0.053)	0.139*** (0.024)	0.249*** (0.038)	0.264*** (0.032)	0.416*** (0.053)	0.164*** (0.024)	0.246*** (0.038)
LogVideos	0.372*** (0.062)	0.586*** (0.105)	0.235*** (0.048)	0.369*** (0.076)	0.371*** (0.062)	0.578*** (0.105)	0.230*** (0.047)	0.367*** (0.076)
LogPricerange	0.049*** (0.014)	−0.028 (0.023)	−0.078*** (0.011)	0.047** (0.017)	0.048** (0.017)	−0.136*** (0.029)	−0.197*** (0.013)	0.056** (0.021)
LogTarget	−0.421*** (0.016)	0.189*** (0.027)	0.061*** (0.012)	0.109*** (0.019)	−0.421*** (0.016)	0.220*** (0.027)	0.096*** (0.012)	0.106*** (0.020)
LogDuration	−0.504*** (0.037)	−0.779*** (0.062)	−0.357*** (0.028)	−0.350*** (0.045)	−0.506*** (0.037)	−0.804*** (0.062)	−0.383*** (0.028)	−0.350*** (0.045)
Experience	0.000*** (0.000)	0.000 (0.000)	0.001*** (0.000)	−0.001*** (0.000)	0.000*** (0.000)	0.000 (0.000)	0.001*** (0.000)	−0.000*** (0.000)
SocialNetwork	0.179** (0.061)	0.231* (0.102)	0.035 (0.046)	0.138 (0.074)	0.181** (0.061)	0.229* (0.102)	0.033 (0.046)	0.138 (0.074)
Locations	√	√	√	√	√	√	√	√
IDs	√	√	√	√	√	√	√	√
ProjectType	√	√	√	√	√	√	√	√
BeginMonth	√	√	√	√	√	√	√	√
EndMonth	√	√	√	√	√	√	√	√
Options	0.520*** (0.051)	1.104*** (0.086)	0.447*** (0.039)	0.656*** (0.062)	0.922*** (0.165)	1.682*** (0.278)	0.776*** (0.125)	1.004*** (0.201)
Options2	−0.029*** (0.004)	−0.059*** (0.006)	−0.019*** (0.003)	−0.040*** (0.005)	−0.059*** (0.012)	−0.105*** (0.021)	−0.043*** (0.009)	−0.068*** (0.015)
PriceDifferentiation	–	–	–	–	0.908* (0.388)	1.691** (0.654)	1.367*** (0.293)	0.621 (0.472)
Options* PriceDifferentiation	–	–	–	–	−0.285* (0.114)	−0.364⁺ (0.193)	−0.204* (0.087)	−0.238⁺ (0.139)
Options2* PriceDifferentiation	–	–	–	–	0.021** (0.008)	0.028* (0.014)	0.014* (0.006)	0.019⁺ (0.010)
Constant	−1.594*** (0.375)	−1.406* (0.633)	−0.083 (0.287)	−1.106* (0.456)	−2.822*** (0.631)	−3.510*** (1.065)	−1.661*** (0.478)	−2.008** (0.768)
R-squared	0.202	0.138	0.176	0.089	0.203	0.143	0.196	0.089
Observations	9,179	9,179	9,179	9,179	9,179	9,179	9,179	9,179

Notes(s): + p < 0.1, *p < 0.05, **p < 0.01, ***p < 0.001

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