We use the recent introduction of tuition fees at public universities in seven of the sixteen German states to identify the effects of tuition fees on university enrollment of first-year students at German public universities. Our study differs from previous research in two important ways....

With respect to the labor market participation of the elderly in welfare states, the economic literature focuses on the incentives to the worker in the light of generous early retirement opportunities. The sociological literature on the other hand addresses the problem of low productivity of...

This paper proposes a latent dynamic factor model for low- as well as high-dimensional realized covariance matrices of stock returns. The approach is based on the matrix logarithm and allows for flexible dynamic dependence patterns by combining common latent factors driven by HAR dynamics and...

Das vorliegende Buch untersucht die Finanzierung neuer Privatunternehmen in den Transformationsländern. Im Mittelpunkt stehen dabei kleine und mittelständische Unternehmen und ihre Möglichkeiten auf den Kapitalmärkten. Ob und in welchem Umfang der Staat diesen Unternehmen durch Kredite und...