We show that the entry of a second firm in a horizontally differentiated market (ala Hotelling) may harm consumers as prices increase and consumer's surplus possibly decrease. We first derive the price and the consumer's surplus of a monopoly which is located at the center of the market. When a...

We examine the rate of convergence to efficiency in the buyer?s bid double auction for sequences of markets in which the number m of buyers can be arbitrarly larger than the number n of sellers. This rate is shown to be O(n/m2) when m, n are such that m*_ for a constant _ 1. This is consistent...

Using a high frequency data-set of advertised prices in the personal computer industry, we find that firms which introduced Pentium computers late in the "buy Direct" segment of the market command a higher price premium compared to early entrants. This is true even among firms which have the...

We provide an explanation for product versioning that is not driven by differential costs or consumer preference heterogeneity, and investigate its implications. Consumers care whether a product they own is better than that owned by others, and whether others own a better product than them....