Providers of free-to-play games often gain revenue by monetizing players' playtime, e.g., through ingame advertising, and by selling premium module of the game. One emerging strategy to sell the premium module, known as the virtual selling strategy, is to set the module price based on an amount...

Many software firms, especially mobile app providers, offer perpetually free basic products to users, but premiums are charged for access to the additional features or functionalities. While the free offering helps capture potential customers, it might cannibalize the sales of premium goods or...