Multiproduct quality competition: fighting brands and product line pruning

Firms selling multiple quality-differentiated products frequently alter their product lines when a competitor enters the market. We present a model of multiproduct monopoly and duopoly using a general 'upgrades' approach that yields a powerful analytical framework. We provide a simple theo...

Full description

Bibliographic Details
Main Authors: Myatt, D, Johnson, J
Format: Working paper
Published: University of Oxford 2002