We examine the profitability and welfare implications of price discrimination in a multi-dimensional model. First, when firms price discriminate on one and the same dimension, uniform price lies in between discriminatory prices and price discrimination raises profits relative to uniform pricing....

This paper provides useful implications for managers and marketing practitioners using data on consumers' purchase history for price discrimination purposes. It is also useful for competition policy agencies and consumer advocates. It highlights that the shape of preferences plays an important...

The price discrimination literature typically makes the assumption of no consumer arbitrage. This assumption is increasingly violated in the digital economy, where coupons are traded with increased frequency online. In this paper, we analyze the welfare impacts of coupon trading using a modified...

Advances in information technology have greatly enhanced firms' ability to collect, market and utilize consumer information. As the market for consumer information expands rapidly, businesses are armed with unprecedented means to target any group of consumers they desire. This has important and...