In klassischen Wahlmodellen wird davon ausgegangen, dass sich ein beobachtetes Verhalten durch einen nicht näher spezifizierbaren Evaluationsprozess des beobachteten Individuums ergibt. Ist die Aufdeckung dieses Prozesses von Interesse, stoßen reine Wahlmodelle schnell an ihre methodischen...

Evaluating the treatment of missing values by SAS 6.12, the first target group is considered to be an uninitiated person like a physician who is doing his first real research in the frame of his doctoral thesis. Such a physician will easily come to wrong conclusions as the treatment of missing...

In financial time series analysis structural breaks indicate a fundamental change in market processes. Therefore, those breaks are of great interest for portfolio managers. Knowledge about a structural break could help managers in the orientation of their portfolio. The classical methods of...

The successful active portfolio manager has to have at least two main competencies: Felicitous asset allocation choice and the competence to do so at the right point in time. Based on an extension of Grinold and Kahn’s Fundamental Law of Active Management, this paper describes a method to...

In financial time series analysis structural breaks indicate a fundamental change in market processes. Therefore, those breaks are of great interest for portfolio managers. Knowledge about a structural break could help managers in the orientation of their portfolio. The classical methods of...

Im Koalitionsvertrag der Bundesregierung ist festgehalten, dass die Details der Schuldenbremse und vor allem die Regeln zur Bestimmung des Produktionspotenzials überprüft werden sollen. Insbesondere die Methodik zur Berechnung der konjunkturellen Defi zite wird diskutiert, da diese...

In the production function-based approach proposed by the European Commission for the estimation of the potential output, trend total factor productivity (TFP) is indirectly estimated on the basis of cyclical factors. Instead, this article proposes a more economics-based foundation of trend-TFP...

Potential output is a measure of the longer-term production possibilities of an economy. Since this quantity cannot be observed directly, it must be determined on the basis of assumptions from existing data. The use of a production function was established in the European Commission's procedure...