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Die vorliegende Analyse untersucht die Beschäftigungseffekte von Vermittlungsgutscheinen und Personal-Service-Agenturen mit Hilfe einer makroökonometrischen Evaluation. Neben einer mikroökonometrischen Evaluation, welche die Wirkungen auf individueller Ebene untersucht, kann eine makroökonometrische Analyse Aussagen über die gesamtwirtschaftlichen Effekte der Maßnahmen machen. Die strukturellen Multiplikatorwirkungen im makroökonomischen Kreislaufzusammenhang werden jedoch nicht berücksichtigt. Das ökonometrische Modell zur Analyse der beiden Maßnahmen basiert auf einer Matching-Funktion, die den Suchprozess von Firmen und von Arbeitern nach einem Beschäftigungsverhältnis abbildet. Die empirischen Analysen werden getrennt für Ost- und Westdeutschland sowie für die Strategietypen der Bundesagentur für Arbeit durchgeführt. Sie zeigen, dass die Ausgabe von Vermittlungsgutscheinen nur in „großstädtisch geprägten Bezirken vorwiegend in Westdeutschland mit hoher Arbeitslosigkeit“ (Strategietyp II) einen signifikant positiven Effekt auf den Suchprozess hat. Für die Personal-Service-Agenturen zeigen sich signifikant positive Effekte für Ost- als auch für Westdeutschland. Allerdings fehlt für eine abschließende Bewertung der Ergebnisse für die Personal- Service-Agenturen aufgrund der relativ geringen Teilnehmerzahl noch ein Vergleich mit mikroökonometrischen Analysen.
Unter Berücksichtigung der implementationsanalytischen und kausalen Analysen für die Einführungsphase der Vermittlungsgutscheine kommen die Autoren zu dem Schluss, dass die Erprobungsphase dieses arbeitsmarktpolitischen Instruments fortgesetzt werden sollte. Aus der Implementationsanalyse zeigt sich, dass der Verbreitungsgrad des Instruments auch nach 27 Monaten Erprobungsphase sehr gering ist. Die kausalen Analysen beziehen sich aufgrund begrenzter Datenverfügbarkeit lediglich auf zwei Ausgabemonate ein Jahr nach Einführung des Instruments (Mai und Juni 2003) und zeigen geringe positive Beschäftigungseffekte auf der Mikro-Ebene. Ob dadurch die Kosten der Vermittlungsgutscheine gerechtfertigt sind, lässt sich derzeit noch nicht abschließend beurteilen. Anzeichen für Mitnahmeeffekte und/oder Missbrauch existieren. Auch haben erfolgreiche Vermittlungen durch Gutscheine die Beschäftigungschancen in anderen Gruppen geschmälert. Deshalb werden verschiedene Vorschläge für eine kosteneffizientere Ausgestaltung der Vermittlungsgutscheine dargestellt und diskutiert. Insbesondere wird auf die Vorschläge des Bundeskabinetts vom 01.09.2004 eingegangen.
Serial correlation in dynamic panel data models with weakly exogenous regressor and fixed effects
(2005)
Our paper wants to present and compare two estimation methodologies for dynamic panel data models in the presence of serially correlated errors and weakly exogenous regressors. The ¯rst is the ¯rst di®erence GMM estimator as proposed by Arellano and Bond (1991) and the second is the transformed Maximum Likelihood Estimator as proposed by Hsiao, Pesaran, and Tahmiscioglu (2002). Thereby, we consider the ¯xed e®ects case and weakly exogenous regressors. The ¯nite sample properties of both estimation methodologies are analysed within a simulation experiment. Furthermore, we will present an empirical example to consider the performance of both estimators with real data. JEL Classification: C23, J64
Vocational training programmes have been the most important active labour market policy instrument in Germany in the last years. However, the still unsatisfying situation of the labour market has raised doubt on the efficiency of these programmes. In this paper, we analyse the effects of the participation in vocational training programmes on the duration of unemployment in Eastern Germany. Based on administrative data for the time between the October 1999 and December 2002 of the Federal Employment Administration, we apply a bivariate mixed proportional hazards model. By doing so, we are able to use the information of the timing of treatment as well as observable and unobservable influences to identify the treatment effects. The results show that a participation in vocational training prolongates the unemployment duration in Eastern Germany. Furthermore, the results suggest that locking-in effects are a serious problem of vocational training programmes. JEL Classification: J64, J24, I28, J68
We propose a new framework for modelling the time dependence in duration processes being in force on financial markets. The pioneering ACD model introduced by Engle and Russell (1998) will be extended in a manner that the duration process will be accompanied by an unobservable stochastic process. The Discrete Mixture ACD framework provides us with a general methodology which puts the idea into practice. It is established by introducing a discrete-valued latent regime variable which can be justified in the light of recent market microstructure theories. The empirical application demonstrates its ability to capture specific characteristics of intraday transaction durations while alternative approaches fail. JEL classification: C41, C22, C25, C51, G14.
In recent methodological work the well known ACD approach, originally introduced by Engle and Russell (1998), has been supplemented by the involvement of an unobservable stochastic process which accompanies the underlying process of durations via a discrete mixture of distributions. The Mixture ACD model, emanating from the specialized proposal of De Luca and Gallo (2004), has proved to be a moderate tool for description of financial duration data. The use of one and the same family of ordinary distributions has been common practice until now. Our contribution incites to use the rich parameterized comprehensive family of distributions which allows for interacting different distributional idiosyncrasies. JEL classification: C41, C22, C25, C51, G14.
Job creation schemes (JCS) have been one important programme of active labour market policy in Germany aiming at the re-integration of hard-to-place unemployed individuals into regular employment. In ontrast to earlier evaluation studies of these programmes based on survey data, we use administrative data containing more than 11,000 participants for our analysis and hence, can take effect heterogeneity explicitly into account. We focus on effect heterogeneity caused by differences in the implementation of programmes (economic sector, types of support and implementing institutions). The results are rather discouraging and show that in general, JCS are unable to improve the re-integration chances of participants into regular employment.
In this paper we evaluate the employment effects of job creation schemes on the participating individuals in Germany. Job creation schemes are a major element of active labour market policy in Germany and are targeted at long-term unemployed and other hard-to-place individuals. Access to very informative administrative data of the Federal Employment Agency justifies the application of a matching estimator and allows to account for individual (group-specific) and regional effect heterogeneity. We extend previous studies in four directions. First, we are able to evaluate the effects on regular (unsubsidised) employment. Second, we observe the outcome of participants and non-participants for nearly three years after programme start and can therefore analyse mid- and long-term effects. Third, we test the sensitivity of the results with respect to various decisions which have to be made during implementation of the matching estimator, e.g. choosing the matching algorithm or estimating the propensity score. Finally, we check if a possible occurrence of 'unobserved heterogeneity' distorts our interpretation. The overall results are rather discouraging, since the employment effects are negative or insignificant for most of the analysed groups. One notable exception are long-term unemployed individuals who benefit from participation. Hence, one policy implication is to address programmes to this problem group more tightly. JEL Classification: J68, H43, C13
Previous empirical studies of job creation schemes in Germany have shown that the average effects for the participating individuals are negative. However, we find that this is not true for all strata of the population. Identifying individual characteristics that are responsible for the effect heterogeneity and using this information for a better allocation of individuals therefore bears some scope for improving programme efficiency. We present several stratification strategies and discuss the occurring effect heterogeneity. Our findings show that job creation schemes do neither harm nor improve the labour market chances for most of the groups. Exceptions are long-term unemployed men in West and long-term unemployed women in East and West Germany who benefit from participation in terms of higher employment rates. JEL: C13 , J68 , H43
The effects of vocational training programmes on the duration of unemployment in Eastern Germany
(2005)
Vocational training programmes have been the most important active labour market policy instrument in Germany in the last years. However, the still unsatisfying situation of the labour market has raised doubt on the efficiency of these programmes. In this paper, we analyse the effects of the participation in vocational training programmes on the duration of unemployment in Eastern Germany. Based on administrative data for the time between the October 1999 and December 2002 of the Federal Employment Administration, we apply a bivariate mixed proportional hazards model. By doing so, we are able to use the information of the timing of treatment as well as observable and unobservable influences to identify the treatment effects. The results show that a participation in vocational training prolongates the unemployment duration in Eastern Germany. Furthermore, the results suggest that locking-in effects are a serious problem of vocational training programmes. JEL Classification: J64, J24, I28, J68