We analyze the regulation of a single health care provider (e.g. a hospital). According to several payment rules used in different countries, we consider a mixed linear payment in which the hospital is paid a fixed price per DRG (diagnosis related group) for most patients (inlier patients) and...

We scrutinise in this paper the systemic consequences of state intervention triggered by external shocks for the dynamics of investment in the transforming Chinese economy. Our analysis focuses on the period before and after the global crisis. We interpret investment dynamics in a comparative...

The paper presents the results of two surveys on how ownership structure and corporate governance affect corporate performance. The analyses focus on the question whether the differences among the performances of firms can be attributed to the various types of ownership structures and corporate...

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...

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...

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...

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...

The paper presents the results of two surveys on how ownership structure and corporate governance affect corporate performance. The analyses focus on the question whether the differences among the performances of firms can be attributed to the various types of ownership structures and corporate...

We scrutinise in this paper the systemic consequences of state intervention triggered by external shocks for the dynamics of investment in the transforming Chinese economy. Our analysis focuses on the period before and after the global crisis. We interpret investment dynamics in a comparative...

In microeconomic analysis functions with diminishing returns to scale (DRS) have frequently been employed. Various properties of increasing quasiconcave aggregator functions with DRS are derived. Furthermore duality in the classical sense as well as of a new type is studied for such aggregator...