Electronic brokerages on the Internet represent one of the most successful examples ofelectronic commerce, having captured over 20% of retail stock trades. According toeconomic theory, prices of commodities like securities should converge to one price in amarket with the transparency of the...

This paper analyzes the impact of e-commerce on markets where established firms face competition from Internet-based entrants with focused offerings. In particular, we study the retail brokerage sector where the growth of online brokerages and the availability of alternate sources of information...