We model a firm's decisions about product innovation, focusing on the extent to which features should be improved or changed in the succession of models that comprise a life cycle. We show that the structure of the internal and external environment in which a firm operates suggests when to...

This paper explores the question of whether ethical sourcing and disclosure of supply chain sources is linked to competitiveness. We model competition between two firms, both of which produce the same consumer good. One sources ethically and the second does not, and market share is affected by...