We establish the existence and uniqueness of the equilibrium for a stochastic mean-field game of optimal investment. The analysis covers both finite and infinite time horizons, and the mean-field interaction of the representative company with a mass of identical and indistinguishable firms is...

The paper lists salient characteristics of the certainty theory of consumer choice and discusses the import of prominent empirical analyses of the theory. All of them reject the theory's empirical relevance which suggests that the theory is unfit to analyze consumer choice in an uncertain world....

A general theoretical and empirical framework is developed for assessing the potential of a vertically integrated firm to foreclose downstream competitors. Using this framework a policymaker may also evaluate the empirical welfare effects from a vertically integrated firm raising rivals' costs....

Investors sometimes have strong convictions that a distinctive economic regime will prevail in the period ahead and therefore would like to form a portfolio that reflects the expected returns, standard deviations, and correlations of assets during such a regime. To do so, they typically isolate...

In dieser Studie werden 128 Fälle betrachtet, in denen dieselben Studenten eine Vorlesung zu zwei verschiedenen Zeitpunkten evaluiert haben. Die Besonderheit dabei ist, dass ausschließlich Fälle berücksichtigt werden, in denen die zum Zeitpunkt der Evaluation erwartete oder bereits erhaltene...

The provision of non-pecuniary incentives in education is a topic that has received much scholarly attention lately. Our paper contributes to this discussion by investigating the effectiveness of grade incentives in increasing student performance. We perform a direct comparison of the two most...

The provision of non-pecuniary incentives in education is a topic that has received much scholarly attention lately. Our paper contributes to this discussion by investigating the effectiveness of grade incentives in increasing student performance. We perform a direct comparison of the two most...

Bereits 2002 wurden bei einer BWL-Klausur zwei PISA-Aufgaben gestellt und die Rechtschreibung überprüft, was wiederum mit den Noten bzw. Punkten der Klausur korreliert wurde. Es gibt interessante Ergebnisse und Zusammenhänge, die jedoch nicht völlig eindeutig sind.

Student achievements are expected to be affected by both educational activities and learning during a course and previous teaching and learning, and earlier eligibility requirements. Using data from a quasi-experimental retrospective study, we estimated the effect on exam scores in an...

The structure and functioning of the market of higher education in the United States possess distinctive if not puzzling features such as the wide spectrum of institutional arrangements and sources of funding, stark segmentation in levels of selectivity and instructional resources, and high...