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Dependent variable
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total revenue
|
The logarithmic form of monthly total revenue
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|
Independent variable
|
store
|
=1 if the application is published on Apple’s App Store; =0 otherwise
|
|
Moderators
|
in-app
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= 1 if the developer adopts in-app purchase strategy; =0 otherwise
|
|
HHI
|
The Herfindahl-Hirschman Index multiplied by 10,000
|
|
Control variable
|
apps
|
The logarithmic form of the number of applications the same developer has previously published
|
|
type
|
=1 if the application is published by an enterprise developer; =0 otherwise
|
|
downloads
|
The logarithmic form of monthly downloads
|
|
size
|
The logarithmic form of app size in MB
|
|
languages
|
The logarithmic form of the number of language versions of the application
|
|
updates
|
The logarithmic form of the monthly number of accumulated updates
|
