Information goods providers adopt the freemium model to increase their user base and maximize their profits. However, a serious piracy problem cannibalizes the demand for legal goods and deeply harms firms' interests. We investigate the optimal pricing of information goods under the freemium...

Although air quality improvement action plans may have resulted in considerable health effects, it can be amplified or offset due to the complexity and uncertainty of changing demographic factors. In this study, we develop a framework for analyzing the effect of demographic factors on...