This paper proposes a brand-level forecasting model that incorporates both first purchase diffusion and the replacement component in sales. The model consists of a two-stage procedure in which customers are presented with purchase occasions according to a diffusion process or replacement...

The mobile provision of social networking services including integrated voice, pictures and music over IP lead to the success of companies such as Snapchat, Skype WhatsApp, Twitter or Spotify.. Understanding the rapid international diffusion of these companies' mobile integrated services,...