We analyze a search engine market from a law and economics perspective and incorporate the choice of quality improving innovations by a search engine platform in a two-sided model of internet search engine. In the proposed framework we, first, discuss the legal issues the search engine market...

With its judgment of 10th November 2021, Europe’s General Court did not just dismiss Google’s appeal against the European Commission’s Google Search (Shopping) decision, uphold the fine, tell gatekeepers “don’t be evil,” and remind everyone that Europe ensures equal opportunities....

Competition authorities all over the world worry that integration between search engines (mainly Google) and publishers could lead to abuses of dominant position. In particular, one concern is that of own-content bias, meaning that Google would bias its rankings in favor of the publishers it...

We develop a duopoly model with advertising supported platforms and analyze incentives of a superior firm to license its advanced technologies to an inferior rival. We highlight the role of two technologies characteristic for media platforms: The technology to produce content and to place...

We study the pricing and tipping behaviour of users of the online service 'Google Answers'. While they set a price for the answer to their question ex ante, they can additionally give a tip to the researcher ex post. We develop a model that is based on reciprocal theories of social preferences...

Search engines hold the key to helping consumers access the wealth of information on the web. In this paper I examine the evolution of and competition in the internet search engine market. The goal of my analysis is to examine whether early entrants benefit in the long-run from their first-mover...

We propose a duopoly model of competition between internet search engines endowed with different technologies and study the effects of an agreement where the more advanced firm shares its technology with the inferior one. We show that the superior firm enters the agreement only if it results in...

Der vorliegende Beitrag betrachtet die wettbewerbs- und medienökonomischen Eigenschaften und Effekte von algorithmischen Such- und Empfehlungssystemen und ihrer Regulierung. Dabei werden nach einer einführenden Klarstellung des Sinns und der Notwendigkeit solcher Systeme in der digitalen Welt...

This paper examines a firm's incentive to supply information through advertising when consumers can choose between buying immediately and searching for additional information. The presence of consumer search, which may lower sales, creates incentives for the firm to deter search. We show that...

Search engines face an interesting tradeoff in choosing the way to display their results. While providing high quality unpaid, or “left side” results attracts users, doing so can also cannibalize the revenue that comes from paid ads on the “right side”. This paper examines this tradeoff,...