Purpose – Investigates the purchasing of brands across different price tiers. The purpose was to determine if buying across price tiers followed the same pattern widely found in brand purchasing, known as the Duplication of Purchase Law. Design/methodology/approach – Uses a consumer survey...

This paper examines the relationship between price changes and customer defection levels in a “subscription”‐type market, namely car insurance. Two regression models are constructed to estimate this relationship, one model for younger customers and another for older customers. The...