|
Independent variables
|
Models
|
|---|
|
(1)
|
(2)
|
(3)
|
|---|
|
Entries\(_t\)
|
0.083***
|
0.096***
|
0.113***
|
|
(0.003)
|
(0.002)
|
(0.002)
|
|
Entries\(_{t-1}\)
|
—
|
0.030***
|
0.032***
|
|
—
|
(0.002)
|
(0.001)
|
|
Entries\(_{t-2}\)
|
—
|
—
|
0.015***
|
|
—
|
—
|
(0.001)
|
|
Week dummies
|
Yes
|
Yes
|
Yes
|
|
User dummies
|
Yes
|
Yes
|
Yes
|
|
Constant
|
Yes
|
Yes
|
Yes
|
|
\(R^2\) adjusted
|
0.422
|
0.052
|
0.059
|
|
F-statistic
|
5198.955
|
95.249
|
96.164
|
|
Number of observations
|
587788
|
580306
|
572824
|
|
Number of groups
|
7482
|
7482
|
7482
|
- *p < 0.1, **p< 0.05, ***p < 0.01. Models are estimated using ordinary least squares. Unit of observation is a user. Dependent variable: Number of requests sent per week. Standard errors in parentheses
