Purpose – Under the Kyoto protocol, emissions trading was imposed upon the Nordic Nord Pool Spot market in 2005. The purpose of this paper is to identify and characterize an important side‐effect of emissions trading on electricity spot market price behavior by statistically comparing price...

Zusammenfassung Die gebräuchlichen Methoden zur Verdeutlichung der konjunkturellen Aussage einer Zeitreihe liefern an ihrem aktuellen Rand nur ein relativ ungenaues Bild. Darum wird hier als ein alternatives Verfahren vorgeschlagen, das Signale einer sich anbahnenden konjunkturellen Wende in...

Zusammenfassung Es wird ein Tiefpaßfilter vorgestellt, der speziell dafür entworfen wurde, die konjunkturelle Entwicklung am aktuellen Rand einer Zeitreihe nachzuvollziehen. Anhand von Transferfunktionen, praktischen Anwendungen und stochastischen Simulationen werden seine Eigenschaften mit...

Zusammenfassung In der vorliegenden Arbeit wird die Leistungsfähigkeit zweier Verfahren zur Verdeutlichung der konjunkturellen Entwicklung einer wirtschaftlichen Zeitreihe am aktuellen Rand verglichen. Es handelt sich dabei um einen neu entwickelten Tiefpassfilter und das...

Summary The Baxter-King filter shows some weaknesses, particularly with regard to monthly time series. This procedure involves not only a loss of data for the border areas of time series, but suppresses inadequately high frequency components and shows as a low-pass filter only the performance of...

Summary In all health care systems exists governmental regulation, as the market for health is unanimously regarded as imperfect. The German health care market is a good example for a strongly regulated market in nearly each submarket, partially the determination of prices. Reimbursement of...

Summary The demographic, technological and economic changes in Germany require a profound reform of the health care system, especially concerning the ambulant medical care. For many years too strict legal regulations prohibited the development of adequate care structures; the major reform of...

Abstract In economic applications it is often the case that the variate of interest is non-negative and its distribution has a mass-point at zero. Many regression strategies have been proposed to deal with data of this type but, although there has been a long debate in the literature on the...

This paper investigates the existence of market power in the Swedish food and beverage industry and how market power has been affected by European competition (the Single Market and Swedish EU membership). The study makes use of a census of some 500 firms for the period 1990–2002. The results...