Software market is considered as a new object for the mathematical economics. A statistical study of the server operating systems market is provided, static and dynamic models of for-profit and non-for-profit software developers mixed duopoly are built (taking into account market growth,...

This paper analyzes the behavior of horizontal B2B marketplaces along the supply chain in case a vertical intermediary tries to enter by attracting industry-specific buy-side and sell-side firms. It will be shown that an entrant can only integrate all firms along the vertical production chain in...

We discuss competition effects and possible regulation of vertical integration in internet-based two-sided markets against the background of the ongoing antitrust allegations against Google. In such markets, network effects and economics of scale often lead to dominating companies which are...

This article studies competition between different types of ad-funded platforms attracting consumers with free services. Consumers often find advertisements a nuisance on such platforms. We study how under a competitive setting platforms balance the tension between attracting consumers and rent...

In this work, the dynamic competition between firms providing internet services is studied. The framework is Markov equilibrium whereby structural parameters are obtained using two-step estimations, allowing for analyzing the situation in case of subsidies for service upgrade. The results show...

This paper develops techniques to analyze the adoption decisions of bothconsumers and firms for competing platform intermediaries in two-sidedmarkets, and applies the methodology to empirically measure the impactof vertical integration and exclusive contracting in thesixth-generation of the U.S....

Diese Dissertation besteht aus drei Aufsätzen, in denen verschiedene Aspekte von zweiseitigen Märkten untersucht werden. Dabei handelt es sich um Märkte mit zwei verschiedenen Nutzergruppen, von denen jede Netzwerkeffekte auf die jeweils andere Seite ausübt. Im ersten Aufsatz werden die...

In the actual context of developing digital services, the promotion of a system that manages multiple e-commerce sites can be extremely valuable in increasing the economic effects for the companies. This paper presents the current stage of the experimental system design and implementation, an...

Wireless networks are spreading everywhere nowadays, So there is a need to study the security issues for it , towards a full security policy for wireless networks. In this paper we will explain security issues for wireless networks, and how to write a network policy, its components, structure,...

It is very important to a company to select the optimal CRM program based on its needs, especially there are hundreds of programs, similar in general, different in price and functions and many companies do only comparing between those programs, trying to select the best on this comparison. This...