Using a Cournot oligopoly model with an endogenous number of firms and evasion of indirect taxes, this paper shows that … more intense competition may have the negative side-effect of eroding tax revenues by increasing tax evasion. This will be … weakly concave or convex and inelastic. The desirable result of more competition, less evasion and higher tax revenues will …

more agressive, which triggers price competition and potentially deters entry by generic producers. To investigate the … branded and generic drug prices and branded market shares. Despite fiercer price competition, the number of generic producers …

We modify the paper of Stahl (1989) on sequential consumer search in an oligopoly context by relaxing the assumption …

This paper presents an empirical examination of oligopoly pricing and consumer search. The theoretical model allows for …

DTCA if detailing competition is not too fierce, which is true if investing in detailing is sufficiently costly. Otherwise …