Skip to main content

Table 2 The definition of variables

From: Platform heterogeneity, platform governance and complementors’ product performance: an empirical study of the mobile application industry

Variable group Variable Definition
Dependent variable total revenue The logarithmic form of monthly total revenue
Independent variable store =1 if the application is published on Apple’s App Store; =0 otherwise
Moderators in-app = 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