This study examines the evolution of prices in markets with Internet price-comparison search engines. The empirical study analyzes laboratory data of prices available to informed consumers, for two industry sizes and two conditions on the sample (complete and incomplete). Distributions are...

We explore the separation of powers between the legislative and the executive branch of government as a way of overcoming the dynamic consistency problem of regulatory policy towards investment. We model the industry as a regulated duopoly. The incumbent is a vertically integrated firm that owns...

The European Commission believes that for the regulation of next generation fixed telecommunications networks the continuity approach is preferable to the equality of access approach and the no-regulation approach. According to the European Commission, (i) functional separation eliminates...

In this article, one makes two points about the impact of bundles on competition and regulatory policy. First, one argues that the growing importance of bundles requires an adjustment in the current framework of relevant product markets for individual services, and that the traditional tools of...

This paper analyzes retailers’ adoption of e-commerce in a technology adoption race framework. An Internet-based firm with no traditional market presence competes with an established traditional firm to adopt the e-commerce technology and sell to a growing number of consumers with on-line...

This paper presents a search model, for which a decrease in the search cost may lead to lower prices and to a lower price variance, but may also lead to the opposite. This result contrasts with some predictions about the impact of the Internet on prices, but fits well with the empirical...