Introduction: Scope and Overview -- Value Realization from the Perspective of Customers and Users -- Value Creation through Technological Innovation -- Theory for Understanding the Value Realization -- Smart media era: transformation in the age of Internet communication -- The metaverse era:...

Mood is associated with investors' decision making and influences stock market performance, which is supported by psychological and financial researches. However, previous studies have not provided a strong evidence that their proxies can influence moods in an efficient way.We use data of...

We develop a method to fi nd approximate solutions, and their accuracy, to consumption-investment problems with isoelastic preferences and in nite horizon, in incomplete markets where state variables follow a multivariate di ffusion. We construct upper and lower contractions, fi ctitious...