Economists and lawyers are badly divided on issues concerning tying and bundling. Permissivie and prohibitive attitudes are changing radically in the literature and in the legal practice. After a short discurse on the notions, we introduce the basic ideas, theories and debates according to...

Economists and lawyers are badly divided on issues concerning tying and bundling. Permissivie and prohibitive attitudes are changing radically in the literature and in the legal practice. After a short discurse on the notions, we introduce the basic ideas, theories and debates according to...

The paper presents a detailed description of the ISMIK model which was developed as a part of "Priority project TÁMOP - 2.3.2-09/1 Establishing labour market forecasts and foreseeing structural changes". The ISMIK model is a dynamic microsimulation model to project individuals' educational...

This paper assesses the potential distortive impacts of state aids and of incumbent firms' market behaviours and business strategies on competitive outcome. The problems emerged within the framework of the third postal directive, the unresolved questions of regulation and the contradictions...

This paper assesses the potential distortive impacts of state aids and of incumbent firms' market behaviours and business strategies on competitive outcome. The problems emerged within the framework of the third postal directive, the unresolved questions of regulation and the contradictions...

This paper reports an experiment that studies the behavior of a monopolist on sequential auction markets for tradable permits. Using six sessions in a triple ABA crossover design, we investigate the cost-effectiveness of permit allocations and the division of trade gains on sequential bid,...

The paper presents a detailed description of the ISMIK model which was developed as a part of "Priority project TÁMOP - 2.3.2-09/1 Establishing labour market forecasts and foreseeing structural changes". The ISMIK model is a dynamic microsimulation model to project individuals' educational...

The model that we develop here considers that an upstream firm sells a vital input to downstream firms. There are vertical spillovers and two different regulatory policies of the input price: cost oriented regulation and no-regulation. We also admit two alternative market structures: vertical...