We develop a Hotelling model of horizontally and vertically differentiated brands with misleading advertising competition. We investigate the question of who benefits or loses from the misinformation created by advertising competition and related regulatory policies. We show that the quality...

This paper examines the relationship between misinformation about product quality and quality standards, such as minimum quality standards and certication criteria, when products are vertically dierentiated in their health/safety aspects. We investigate the welfare eect of regulating...