We investigate the possibility of using public firms to regulate polluting emissions in a Cournot oligopoly where production takes place at constant returns to scale and entails a negative environmental externality. We model the problem as a differential game and investigate (i) the Cournot-Nash...

This paper discusses an oligopoly where firms exert negative externalities upon each other. A theoretical model is developed for a market where these externalities are particularly relevant: the intra-day credit market, which is crucial for the operation of an efficient payments system. A...

We examine the degree of natural gas market integration in Europe, North America and Japan, between the mid 1990's and 2002. The relationship between the international gas marker prices, and their relation to the oil price, are investigated through principal component analysis and Johansen...

We analyze oligopolistic third-degree price discrimination relative to uniform pricing when markets are always covered. Pricing equilibria are critically determined by supply-side features such as the number of firms and their marginal cost differences. It follows that each firm’s Lerner index...

We analyze oligopolistic third-degree price discrimination relative to uniform pricing when markets are always covered. Pricing equilibria are critically determined by supply-side features such as the number of firms and their marginal cost differences. It follows that each firm's Lerner index...

Transport constraints limit competition and arbitrageurs' possibilities of exploiting price differences between goods in neighbouring markets, especially when storage capacity is negligible. We analyse this in markets where strategic producers compete with supply functions, as in wholesale...

To the surprise of many, price deviations between markets characterized by imperfect competition have often been little affected by lower transport costs. In a Cournot model we show that if firms' decisions to segment markets are endogenous, then lower transport costs are, in many cases,...

In this paper we investigate tax/subsidy competition for FDI between countries of different size when a domestic firm is the incumbent in the largest market. We investigate how the nature (public or private) of the incumbent firm affects policy competition between the two governments seeking to...

Die Aufgabe der kommunalen Wasserversorgungsunternehmen besteht darin, die Verbraucher mit qualitativ hochwertigem Trinkwasser in ausreichender Menge zu versorgen. Auf der anderen Seite müssen die kommunalen Abwasserentsorgungsbetriebe das von den Grundstückseigentümern erzeugte Abwasser...

This study discusses the concept of sustainability, in particular with respect to the CDM. In addition, based on cross-section interviews, the sustainability criteria for CDM projects in energy sectors in the studied countries are determined. These criteria could serve as a starting point for...