Current methods of disseminating scholarly information focus on the use of journals who retain exclusive rights in the material they publish. Using a simple model we explore the reasons for the development of the traditional journal model, why it is no longer efficient and how it could be...

This paper reports results from a large recent study of the public domain in the European Union. Based on a combination of catalogue and survey data our figures for the number of items (and works) in the public domain extend across a variety of media and provide one of the first quantitative...

This paper reports results from a large recent study of the public domain in the European Union. Based on a combination of catalogue, commercial and survey data we present detailed figures both on the prices (and price di erences) of in copyright and public domain material and on the usage of...

We give an overview of the economics of `public sector information' (PSI) focusing on the question of funding and regulatory structure. That is: who should pay to maintain public sector information and what regulatory structure should be put in place to support this.

The rapid growth of online search and its centrality to the ecology of the Internet raise many questions for economists to answer: Why is the search engine market so concentrated and will it evolve towards monopoly? What implications does this concentration have for consumers, search engines,...

A sizable literature has grown up in recent years focusing on two-sided markets in which economies of scale combined with complementarities between a platform and its associated ‘software’ or ‘services’ can generate indirect network effects (that is positive feedback between the number...

Extending the basic model of two-stage cumulative innovation with asymmetric information to include `experimentation' by second-stage rms, we nd that the costs of a strong (versus weak) intellectual property (IP) regime may be substantially increased. In addition, these costs increase as...

In 2003, the UK `liberalised' its telephone directory enquiries service with the aim of introducing competition so as to improve quality and lower costs. Unfortunately the results did not match expectations. Proliferation of numbers led to consumer confusion and high price firms with no...

(In)direct network effects arise frequently in economic models but, for reasons of analytical tractability, are often assumed to be linear. Here, we examine the general non-linear case with two platforms. We establish the conditions characterising equilibria and show that welfare changes can be...