Boone (2008a) proposes a new competition measure based on Relative Profit Differences (RPD) with superior theoretical … indicator fails to correctly indicate competition. A proposed augmented indicator based on RPDs performs better. The traditional …

We propose a duopoly model of competition between internet search engines endowed with different technologies and study …

market economies. The primary focus of the study is on competition and market structure, finance and the structure of lending … interpretation of the evidence on competition is that there is an initial move by firms into niches to exploit local market power …

We model competition between two unregulated mobile phone companies with price-elastic demand and less than full market … coverage. We also assume that there is a regulated full-coverage fixed network. In order to induce stronger competition, mobile … termination. Stronger competition leads to an increase of the mobiles' market shares, with the advantage that (genuine) network …

We analyze market dynamics under Bertrand duopoly competition in industries with network effects and consumer switching …