competition. Where firms have some market power, as in the market for information goods, we expect discriminatory pricing to … become the norm. Apart from posted prices, the internet has extended the use of auctions, even to relatively low-value goods … well as economic efficiency, and may emerge as the principal pricing method for a large number of goods and services. …

In contrast to, for example, books and compact discs, the number of complex services offered on the Internet is still … the Internet. We therefore focus on online purchases of complex services, paying special attention to the determinants of …, which offers services like mortgage loans and insurances on the Internet. This data contains, besides clickstream data, also …