Real Effective Exchange Rate Misalignment in the Euro Area: A Counterfactual Analysis
Makram El-Shagi, Axel Lindner, Gregor von Schweinitz
Abstract
Were real effective exchange rates (REER) of Euro area member countries drastically misaligned at the outbreak of the global financial crisis? The answer is difficult to determine because economic theory gives no simple guideline for determining the equilibrium values of real exchange rates, and the determinants of those values might have been distorted as well. To overcome these limitations, we use synthetic matching to construct a counterfactual economy for each member as a linear combination of a large set of non-Euro area countries. We find that Euro area crisis countries are best described by a mixture of advanced and emerging economies. Comparing the actual REER with those of the counterfactuals gives sensible estimates of the misalignments at the start of the crisis: All peripheral countries were strongly overvalued, while high undervaluation is only observed for Finland.
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Is There a Gap in the Gap? Regional Differences in the Gender Pay Gap
Boris Hirsch, Marion König, Joachim Möller
Scottish Journal of Political Economy,
Nr. 4,
2013
Abstract
In this paper, we investigate regional differences in the gender pay gap both theoretically and empirically. Within a spatial model of monopsonistic competition, we show that more densely populated labour markets are more competitive and constrain employers’ ability to discriminate against women. Utilizing a large administrative data set for western Germany and a flexible semi-parametric propensity score matching approach, we find that the unexplained gender pay gap for young workers is substantially lower in large metropolitan than in rural areas. This regional gap in the gap of roughly 10 percentage points remained surprisingly constant over the entire observation period of 30 years.
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Subsidized Vocational Training: Stepping Stone or Trap? – Assessing Empirical Effects using Matching Techniques
Eva Dettmann, Jutta Günther
Swiss Journal of Economics and Statistics,
Nr. 4,
2013
Abstract
Using replacement matching on the basis of a statistical distance function we try to answer the question of whether subsidized vocational training is related to a negative image effect for the graduates. The results show that young people with equal qualifications acquired during subsidized vocational training are disadvantaged solely due to the kind of education they have received. The probability of finding adequate employment is lower than in the control group. Besides the 'general effect' of support we also find less favorable job opportunities for those who attended 'external' as compared to 'workplace-related' training.
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A Control Group Study of Incubators’ Impact to Promote Firm Survival
Michael Schwartz
Journal of Technology Transfer,
Nr. 3,
2013
Abstract
It is widely unclear as to whether start-up firms supported by publicly-initiated incubator initiatives have higher survival rates than comparable start-up firms that have not received support by such initiatives. This paper contributes to the underlying discussion by performing a large-scale matched-pairs analysis of the long-term survival of 371 incubator firms (after their graduation) from five German incubators and a control group of 371 comparable non-incubated firms. The analysis covers a 10-year time span. To account for the problem of selection bias, a non-parametric matching approach is applied to identify an appropriate control group. For neither of the five incubator locations, we find statistically significant higher survival probabilities for firms located in incubators compared to firms located outside those incubator organizations. For three incubator locations the analysis reveals statistically significant lower chances of survival for those start-ups receiving support by an incubator. The empirical results, therefore, raise some doubts regarding the impacts of incubation on long-term firm survival.
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Proximity and the Transfer of Academic Knowledge: Evidence from the Spatial Pattern of Industry Collaborations of East German Professors
Viktor Slavtchev
Regional Studies,
Nr. 5,
2013
Abstract
Nähe und Übertragung von akademischem Wissen: Belege aus dem räumlichen Muster der Kooperation zwischen ostdeutschen Professoren und der Industrie, Regional Studies. Universitäten können die ökonomische Entwicklung von Regionen stimulieren, insbesondere durch Kooperation mit der lokalen Industrie. Die vorliegende Studie analysiert, wann solche Kooperationen lokal stattfinden. Die existierende Literatur deutet daraufhin, dass aufgrund von tacidem Wissen und der Bedeutung geographischer Nähe Kooperationen überwiegend lokal stattfinden. Die vorliegende Studie findet Evidenz, dass das räumliche Muster von Kooperationen zwischen Universitäten und der Industrie als Resultat eines komplexen Matching-Prozesses zwischen Partnern mit geeigneten Charakteristika betrachtet werden kann. Die Ergebnisse deuten darauf hin, dass individuelle, relationale sowie institutionelle Charakteristika der Akteure eine wichtige Rolle für die Partnerwahl spielen. Demnach sind lokale Kooperationen nicht zwingend.
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Distance Functions for Matching in Small Samples
Eva Dettmann, Christian Schmeißer, Claudia Becker
Computational Statistics & Data Analysis,
Nr. 5,
2011
Abstract
The development of ‘standards’ for the application of matching algorithms in empirical evaluation studies is still an outstanding goal. The first step of the matching procedure is the choice of an appropriate distance function. In empirical evaluation situations often the sample sizes are small. Moreover, they consist of variables with different scale levels which have to be considered explicitly in the matching process. A simulation is performed which is directed towards these empirical challenges and supplements former studies in this respect. The choice of the analysed distance functions is determined by the results of former theoretical studies and recommendations in the empirical literature. Thus, two balancing scores (the propensity score and the index score) and the Mahalanobis distance are considered. Additionally, aggregated statistical distance functions not yet used for empirical evaluation are included. The matching outcomes are compared using non-parametric scale-specific tests for identical distributions of the characteristics in the treatment and the control groups. The simulation results show that, in small samples, aggregated statistical distance functions are the better choice for summarising similarities in differently scaled variables compared to the commonly used measures.
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Sind Innovatoren erfolgreicher als Nicht-Innovatoren? Eine empirische Analyse für das Verarbeitende Gewerbe in Deutschland
A. Crimmann, K. Evers, Jutta Günther, Katja Guhr, Marco Sunder
Wirtschaft im Wandel,
Nr. 10,
2010
Abstract
Innovationen gelten als Triebfeder der wirtschaftlichen Entwicklung und der betrieblichen Wettbewerbsfähigkeit. Von besonderem Interesse sind Produkte, die ein Unternehmen erstmals in den Markt einführt bzw. für die das Unternehmen einen neuen Markt erschließen muss. Diese Innovationen bezeichnet man als Marktneuheiten. Aus ökonomischer Sicht stellt sich die Frage, ob Unternehmen, die solche Marktneuheiten hervorbringen, erfolgreicher sind als nicht innovierende Unternehmen. Als Erfolgsindikatoren lassen sich die Entwicklung der Beschäftigung, des Umsatzes, des Gewinns und der Ertragslage heranziehen. Die zu vergleichenden innovierenden und nicht innovierenden Unternehmen sollten aber in ihren sonstigen betrieblichen Merkmalen (wie der Größe oder Branche) auch tatsächlich miteinander vergleichbar sein. Dies wird mit einem Matching-Verfahren erreicht. Die Ergebnisse der mit dem IAB-Betriebspanel für das Verarbeitende Gewerbe durchgeführten Analyse zeigen, dass sich im Durchschnitt die innovierenden Betriebe in den Neuen Ländern im Vergleich zu nicht innovierenden Betrieben durch einen Vorsprung bei der Entwicklung von Beschäftigung und Umsatz auszeichnen. Dieser Abstand ist bei Betrieben in Ostdeutschland etwas größer als bei Betrieben in den Alten Bundesländern. Mit Blick auf die Produktivitätsentwicklung und die Ertragslage finden sich keine statistisch belastbaren Unterschiede zwischen Innovatoren und Nicht-Innovatoren. Die Ergebnisse stellen die hohe Bedeutung von Innovationen für die wirtschaftliche Entwicklung und Wettbewerbsfähigkeit nicht infrage. Sie liefern aber einen Hinweis darauf, dass – bezogen auf Marktneuheiten – auch nicht innovierende Unternehmen (zumindest mittelfristig) Wege finden, sich in ihrer betrieblichen Performance zu behaupten.
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Is there a Superior Distance Function for Matching in Small Samples?
Eva Dettmann, Claudia Becker, Christian Schmeißer
Abstract
The study contributes to the development of ’standards’ for the application of matching algorithms in empirical evaluation studies. The focus is on the first step of the matching procedure, the choice of an appropriate distance function. Supplementary o most former studies, the simulation is strongly based on empirical evaluation ituations. This reality orientation induces the focus on small samples. Furthermore, ariables with different scale levels must be considered explicitly in the matching rocess. The choice of the analysed distance functions is determined by the results of former theoretical studies and recommendations in the empirical literature. Thus, in the simulation, two balancing scores (the propensity score and the index score) and the Mahalanobis distance are considered. Additionally, aggregated statistical distance functions not yet used for empirical evaluation are included. The matching outcomes are compared using non-parametrical scale-specific tests for identical distributions of the characteristics in the treatment and the control groups. The simulation results show that, in small samples, aggregated statistical distance functions are the better
choice for summarising similarities in differently scaled variables compared to the
commonly used measures.
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Subsidized Vocational Training: Stepping Stone or Trap? An Evaluation Study for East Germany
Eva Dettmann, Jutta Günther
IWH Discussion Papers,
Nr. 21,
2009
Abstract
The aim of this paper is to analyze whether the formally equal qualifications acquired during a subsidized vocational education induce equal employment opportunities compared to regular vocational training. Using replacement matching on the basis of a statistical distance function, we are able to control for selection effects resulting from different personal and profession-related characteristics, and thus, to identify an unbiased effect of the public support. Besides the ‘total effect’ of support, it is of special interest if the effect is stronger for subsidized youths in external training compared to persons in workplace-related training. The analysis is based on unique and very detailed data, the Youth Panel of the Halle Centre for Social Research (zsh).
The results show that young people who successfully completed a subsidized vocational education are disadvantaged regarding their employment opportunities even when controlling for personal and profession-related influences on the employment prospects. Besides a quantitative effect, the analysis shows that the graduates of subsidized training work in slightly worse (underqualified) and worse paid jobs than the adolescents in the reference group. The comparison of both types of subsidized vocational training, however, does not confirm the expected stronger effect for youths in external vocational education compared to workplace-related training.
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