During the last decades energy sector has undergone thoughtful structural changes, getting towards a more competitive environment, a process that it is highly controlled and monitored by regulatory authorities. The differences in the pace and extent of market reforms are mainly related to the...

The traditional economic argument states that compliance with environmental policy diverts resources from innovation. In his engaging paper, Porter (1991) argues counterintuitively that more stringent environmental policies induce innovations the benefits of which exceed the costs. We build a...

In order to fight collusive behaviors, the best scenario for competition authorities would be the possibility to analyze detailed information on firms’ costs and prices, being the price-cost margin a robust indicator of market power. However, information on firms’ costs is rarely available....

In order to fight collusive behaviors, the best scenario for competition authorities would be the possibility to analyze detailed information on firms’ costs and prices, being the price-cost margin a robust indicator of market power. However, information on firms’ costs is rarely available....

We reconsider the problem of cartel stability in a linear symmetric Cournot oligopoly by assuming that every coalition of firms defecting from a cartel can choose its quantity before the remaining firms. We show that differently from Salant et al. (1983) the only profitable cartel includes all...

Serbian. У раду се приказују и анализирају основни показатељи који се користе у анализама концентрације на тржишту. Приказани су стандардни коефицијенти (CRn и HH),...

For methods of the profit division in the bilateral monopoly of the mine and the power station sug-gested in the first part of this paper the formulae for lignite price and shares in the joint profit of the mine and the power station are calculated. The proposed profit division contain: the...

A substantial number of studies have extended the work on universal properties in physical systems to complex networks in social, biological, and technological systems. In this paper, we present a complex networks perspective on interfirm organizational networks by mapping, analyzing and...

Discounts during Thanksgiving and Christmas are common in a variety of retail markets. Although classical economic theory predicts that prices should increase when aggregate demand is high, one possibility is that consumers are more price elastic during seasonal demand peaks. In this article, we...

This paper contains an analysis of stylised natural gas and electricity supply sectors. Power plants operate either on natural gas or on a competing fuel – e.g. oil. The competing fuel is assumed to be traded at world market price whereas natural gas is sold by a national monopoly. The paper...