Table 3. Negative Binomial Regression... | Emerald Publishing

Table 3.

Negative Binomial Regression Models.

Dep. Variable: Craft Items Sold	Baseline Model		Model 1
Dep. Variable: Craft Items Sold	Coeff.	Robust Std. Err	Coeff.	Robust Std. Err
Seller Rating	0.604***	0.007	0.605***	0.007
Platform Experience	0.222***	0.003	0.223***	0.003
Category Competition (Log)	−0.589***	0.059	−0.578***	0.059
Gender	−0.032*	0.016	−0.037*	0.016
Narrative Length (Log)	0.031*	0.014	0.037**	0.014
Narrative Conventionality			1.133***	0.013
Narrative Conventionality²			−0.055***	0.009
Nationality	Yes		Yes
Product Category	Yes		Yes
Constant	2.566***	0.083	2.550***	0.083
Lnalpha	0.465		0.462
Log Pseudo Likelihood	−635142.54		−635002.79
Wald Chi-Square (d.f.)	39,651.17 (129)		40,071.17(131)
p value	0.000		0.000

Dep. Variable: Craft Items Sold	Baseline Model		Model 1
Dep. Variable: Craft Items Sold	Coeff.	Robust Std. Err	Coeff.	Robust Std. Err
Seller Rating	0.604***	0.007	0.605***	0.007
Platform Experience	0.222***	0.003	0.223***	0.003
Category Competition (Log)	−0.589***	0.059	−0.578***	0.059
Gender	−0.032*	0.016	−0.037*	0.016
Narrative Length (Log)	0.031*	0.014	0.037**	0.014
Narrative Conventionality			1.133***	0.013
Narrative Conventionality²			−0.055***	0.009
Nationality	Yes		Yes
Product Category	Yes		Yes
Constant	2.566***	0.083	2.550***	0.083
Lnalpha	0.465		0.462
Log Pseudo Likelihood	−635142.54		−635002.79
Wald Chi-Square (d.f.)	39,651.17 (129)		40,071.17(131)
p value	0.000		0.000

Notes: ∗p < 0.05; ∗∗p < 0.01; ∗∗∗p < 0.001.