In their seminal paper Grossman and Shapiro (1984) find that informative advertising is socially excessive in an oligopoly (entry is also socially excessive). However, the analysis assumed that all consumers receive at least one advertisement. Christou and Vettas (2008), among others, present...

In their seminal paper, Grossman and Shapiro (1984) find that informative advertising is socially excessive in an oligopoly pure-strategy symmetric equilibrium (PSSE). However, their analysis assumed that every consumer receives at least one advertisement. Christou and Vettas (2008) present...

Department: Business.