With the rapid development of mobile technology and consumers’ increasing demand for portability, the mobile gaming market has experienced huge growth. To ensure the success of mobile games, game publishers need to keep their players engaged and, at the same time, seek monetization strategies...

Social trading is an emerging market in the sharing economy, allowing inexperienced investors (copiers) to automatically follow the trades of experts (leaders) in real time. We use a separable temporal exponential random graph model (STERGM) to analyze the link formation and dissolution of a...