Das Ziel der Bundesregierung ist es laut Koalitionsvertrag, "die Erderwärmung auf maximal zwei Grad Celsius zu begrenzen und Deutschlands Vorreiterrolle beim Klimaschutz beizubehalten". Zum Erreichen dieses Ziels sollen die deutschen Treibhausgasemissionen bis zum Jahr 2020 um 40 Prozent...

Die aktuelle Diskussion über die Deregulierung des Taximarktes wirft die grundsätzliche Frage auf, ob unregulierter Wettbewerb auf diesem Markt zu effizienten Ergebnissen führen kann, oder ob es nicht auch aus ökonomischer Sicht gute Gründe für staatliche Eingriffe gibt. Eine Abwägung...

Improving diet quality has been a major target of public health policy. Governments have encouraged consumers to make healthier food choices and firms to reformulate food products. Evaluation of such policies has focused on the impact on consumer behaviour; firm behaviour has been less well...

This paper provides a unified vision of a number of results that appeared in three separate streams of literature. The author emphasizes the strong parallelism between the results obtained in a number of papers that analyzed the relationships between price cap regulation, welfare maximization,...

What makes e-money more special than cash? Is the introduction of e-money necessarily welfare enhancing? Is an e-money system necessarily stable? What is the optimal way to design an efficient and stable e-money scheme? This paper provides a first attempt to develop a micro-founded, dynamic,...

This paper provides a unified vision of a number of results that appeared in three separate streams of literature. The author emphasizes the strong parallelism between the results obtained in a number of papers that analyzed the relationships between price cap regulation, welfare maximization,...

Die Bewertung von Strom- und Gasnetzen hat für jeden Netzeigentümer eine hohe Bedeutung. In dem Beitrag werden die relevanten Bewertungsmethoden dargestellt. Vertieft werden die Elemente für die Ermittlung des Ertragswerts unter Berücksichtigung der deutschen Netzregulierung. Für die...

I show that legal uncertainty, i.e., uncertainty about the legality of a specific action, has positive welfare effects. Legal uncertainty works as a screening device provided that the threshold of legality is uncertain. The uncertainty discourages controversial actions, while it encourages...

The liberalisation of the Hungarian electricity and natural gas markets has been completed in 2009. The liberalisation of the electricity market resulted in different competitive positions in the production, the wholesale and the retail trade. The high level of market concentration survived in...

MOL Plc as a national champion does not simply take part in the implementation of the state's decisions but the company's cooperation is needed in realizing the economic, political and social considerations of the authorities. Therefore the company is provided with special preferential...