The study is an empirical quantitative research. In light of intense literature review it proposes a new model for effectiveness of social commerce in Pakistan. It has three objectives. It firstly investigates the relationship between perceived risk, social networking focus, and perceived value...

We extend the theory of tax incidence under Cournot-Nash oligopolistic competition to study the effects of an ad valorem sales tax on Web services (so-called Web Tax) that are provided free of charge to users, and produce advertising space sold to businesses. Ads are more valuable to advertisers...