<italic>This study examines the recent UK regulatory decision to ban the joint provision of consumer lending and payment protection or credit insurance (hereafter PPI). This case has wide regulatory implications following concerns that the sale of PPI has been detrimental to customers due to overpriced...</italic>

This study forwards an explanation and empirical investigation of price clustering in retail banking markets. It is proposed that price or interest rate clustering forms in retail markets as firms wish to maximise returns from customers, some of whom have difficulties in recalling and processing...