We provide a selective survey of what has been accomplished under the heading of monopolistic competition in industrial organization and other economic fields. Among other things, we argue that monopolistic competition is a market structure in its own right, which encompasses a much broader...

We show that a wide class of demand systems for differentiated products, such as those generated by additive preferences, indirectly additive preferences, and Kimball-like homothetic preferences, can be given a multinomial logit foundation provided that the conditional indirect utility is...

We propose a general model of monopolistic competition and derive a complete characterization of the market equilibrium using the concept of Relative Love for Variety. When the RLV increases with individual consumption, the market generates pro-competitive effects. When it decreases, the market...