In our analysis we discuss several dynamic panel data estimators proposed in the literature and assess their performance in Monte Carlo simulations. It is a well known fact that the natural choice, the least squares dummy variable estimator is biased in the context of dynamic estimation. The...

The state price density is a second derivative of the discounted European options prices with respect to the strike price. We use Maximum Likelihood method to derive a simple estimator of the curve such that it is decreasing, convex and its second derivative integrates to one. Confidence...

Ziel des vorliegenden Diskussionspapiers ist es, einen Beitrag zur Verbesserung der Vergleichbarkeit der Schätzgüteergebnisse von Insolvenzprognosestudien zu leisten. Hierzu werden zunächst in der Literatur verwendete kategoriale, ordinale und kardinale Schätzgütemaße vorgestellt. Es wird...

The paper analyses the potential impact of stock market developments on lending behaviour from different perspectives. First we scrutinize the impact of stock market movements on the banks? and on the borrowers? balance sheets. Subsequently we estimate aggregate credit supply and demand...

We present a new method for imposing and testing concavity of a cost function using asymptotic least squares, which can easily be implemented even for cost functions which are nonlinear in parameters. We provide an illustration on the basis of a (generalized) Box-Cox cost function with six...

The present paper examines the wage effects of continuous training programs using individual-level data from the German Socio Economic Panel (GSOEP). In order to account for selectivity in training participation we estimate average treatment effects (ATE and ATT) of general and firm-specific...

We consider an extension of conventional univariate Kaplan-Meier type estimators for the hazard rate and the survivor function to multivariate censored data with a censored random regressor. It is an Akritas (1994) type estimator which adapts the nonparametric conditional hazard rate estimator...

A dynamic random effects probit model is estimated on the first six waves of the German Socio-Economic Panel to test for state dependence effects in male unemployment behaviour. Estimation of the model is based on the marginal likelihood approach. In the model an individual's unemployment...

In dieser Untersuchung wird gezeigt, wie neuere ökonometrische Verfahren zur Modellierung und Prognose von Volatilitäten auf Aktienmärkten eingesetzt werden können. Hierzu werden verschiedene Varianten aus der Klasse der ARCH Modelle und das Markov-Mischungsmodell herangezogen. Die...

In der November-Ausgabe 2005 des WIRTSCHAFTSDIENST hat Walter A. S. Koch die Schätzungen von Dominik H. Enste und Friedrich Schneider zur Größe der Schattenwirtschaft kritisch bewertet. Dr. Enste und Prof. Schneider stellen hier noch einmal ihre Schätzmethoden dar. Im Anschluss daran eine...