We study competition in two sided markets with common network externality rather than with the standard inter-group e¤ects. This type of externality occurs when both groups bene…t, possibly with di¤erent intensities, from an increase in the size of one group and from a decrease in the size of the other. We explain why common externality is relevant for the health and education sectors. We focus...

Previous quantitative assessments of likely impacts of recent reforms of the Common Agricultural Policy (in particular the Agenda 2000) differ across empirical studies. Differences are mainly due to the ways the policy instruments are taken into account (explicit modeling or implicit modeling i.e. using ad-valorem equivalents). The aim of this paper is to assess empirically the impacts of recen...

Theoretically and experimentally, we generalize the analysis of acquiring a company (Samuelson and Bazerman 1985) by allowing for competition of both, buyers and sellers. Näıvety of both is related to the idea that higher prices exclude worse qualities. While competition of näıve buyers increases prices, competition of näıve sellers promotes efficiency enhancing trade. Our predictions are teste...

This paper analyses the income and structural effects of the Single Payment Scheme (SPS). In particular, we analyze how the income distributional effects and farm restructuring are impacted by the SPS by accounting for entitlement tradability, cross-compliance and CAP 'greening' requirements, different SPS implementation models, and the entitlement stock. Our results suggest that the SPS implic...

Electronic Markets Electronic Markets Electronic Markets Electronic Markets Electronic Markets and Insurance and Insurance and Insurance and Insurance and Insurance Insurance and other financial services appear to be well suited to being sold electronically. No physical goods are involved , as insurance is in effect a purchase of a promise, in the form of a contract, which can be successfully d...

Electronic Markets represent one of the most important challenges in the emerging information society. Their broad scope cover all forms of business relationships between trading and manufacturing enterprises, information providers, service companies, consumers and public administrators. But today’s electronic markets on the Internet provide substantial advantages only for a single person in a ...

This paper reviews the concept of electronic marketplaces and, in particular, their relevance for SMEs. A specific example of a Regional Electronic Marketplace (REM) using a Community Web model is examined within this context. The authors review the underlying philosophy for the project and the planning which preceded implementation. A review of the case highlights the issues which are critical...

At first glance, there seems to be a broad understanding regarding business models. However, a more thorough analysis of existing resources paints a different picture. The term ‘business model’ often remains undefined and a consensus on the elements of business models is lacking. An analysis of various sources, such as electronic databases, conference proceedings, and EM – Electronic Markets it...

The concept of common knowledge concerning higher orders of knowledge has seen exciting new developments in the fields of philosophy, game theory, statistics, economics and cognitive science in the recent decades. Even though information lies at the heart of accounting and capital markets research, these new developments have remained at the periphery of these fields. Common knowledge thinking ...