Seit einigen Jahren wird in Deutschland über Veränderungen in der Finanzierungund im Leistungskatalog des Krankenversicherungssystems intensiv diskutiert. Dabeiwerden häufig problematische Anreizstrukturen im Hinblick auf das Verhaltender Versicherten genannt. Insbesondere haben Versicherte...

ZUSAMMENFASSUNGDer Apothekenmarkt unterliegt in vielen europäischen Ländern nach wie vor einer starkenstaatlichen Regulierung. Sie besteht – je nach Land – in der Eigentümerregulierung, derRegulierung des Geschäftsbetriebes, der Öffnungszeiten, der Personalausstattung, derPreisbildung,...

Increasing costs of most healthcare systems result in (major) financing problemsand thus are the focus of many empirical inquiries. Researchers have found thatmismanagement is often a consequence of misplaced incentives. This paper tries tooutline some cases in which the demand side of...

The main determinants of the financial problems of the German statutory health and longtermcare systems are demographic aging, the medical-technical progress as well as thedisproportionate cost increase in long-term care services. Concerning these factors, onlyreform concepts on the expenditure...

A great proportion of stock dynamics can be explained using publicly availableinformation. The relationship between dynamics and public information may be ofnonlinear character. In this paper we offer an approach to stock picking by employing so-called decision trees and applying them to XETRA...

This paper examines properties of mean-variance inefficient proxies with respect to producing a linear relation between expected returns and betas. The numerical results of a Monte Carlo simulation show that in the CAPM slightly inefficient, positively weighted proxies cause an almost perfect...

While there is little controversy on the profitability of momentum strategies, their implementation is afflicted with many difficulties. Most important, chasing momentum can generate high turnover. Though there are already several attempts to make momentum strategies less expensive with respect...

Seit dem Fall des Eisernen Vorhangs im Jahre 1989 befinden sich die zentral-, ost- und süd-osteuropäische Länder in einem Übergang von kommunistischen zu marktwirtschaftlich orientierten Volkswirtschaften. Eng damit verknüpft ist die Entstehung von Börsen für Aktien, die in den letzten...

Assessments of investors’ risk appetite/aversion stance via indicators often yields resultswhich seem unsatisfactory (see e.g. Illing and Aaron (2005)). Understanding howsuch indicators work therefore seems essential for further improvements. The presentpaper seeks to contribute to this...

Using a new data set on investor sentiment we show that institutional and individualsentiment proxy for smart money and noise trader risk, respectively. First, usingbias-adjusted long-horizon regressions, we document that institutional sentiment forecastsstock market returns at intermediate...