L’objectif de ce papier est d’analyser quelques aspects théoriques de l’économie industrielle liés aux technologies de l’information et de communication. Nous nous intéressons en particulier aux activités marchandes utilisant Internet comme endroit d’échange privilégié, c’est...

This article provides an overview of Google, focusing on its economic history, specifically on three topics of interest: the ad auction, the IPO auction and the role of economics at Google.

In economic and social sciences it is crucial to test theoretical models against reliable and big enough databases. The general research challenge is to build up a well-structured database that suits well to the given research question and that is cost efficient at the same time. In this paper...

We use individual and aggregate data to ask how the Internet is changing the ideological segregation of the American electorate. Focusing on online news consumption, offline news consumption, and face-to-face social interactions, we define ideological segregation in each domain using standard...

This paper provides a data-driven overview of the different online platforms that consumers use to search for books and booksellers, and documents how the use of these platforms is shifting over time. Our data suggest that, as a result of digitization, consumers are increasingly conducting...

News consumption is moving online. If this move fundamentally changes how news is produced and consumed it will have important ramifications for politics. In this chapter we formulate a model of the supply and demand of news online that is motivated by descriptive features of online news...

In markets with imperfect information and heterogeneity, the information technology affects the rate at which agents meet, which in turn affects the distribution of production technologies across firms. We show that in models for such markets there are typically multiple equilibria because...

We analyze the economic effects of a developer’s connectedness in the electronic gameindustry. Knowledge spillovers between developers should be of special relevance in this knowledgebasedindustry. We calculate measures for a developer’s connectedness to other developers atmultiple points in...

We review the economics of superstars, originally developed for stars in traditional media, and discuss whether they are applicable for the (allegedly) novel phenomenon of stars in social media (influencer, micro-celebrities). Moreover, we analyse potentially new factors for creating social...

This paper analyses the equilibrium effects of individual information filters. Information is modelled as advertisements which are distributed across a population of consumers with heterogeneous preferences. An advertisement that provides knowledge about a product with little or no utility for a...