A nonparametric Data Envelopment Analysis (DEA) is performed on hospitals in the federal state of Saxony (Germany) and in Switzerland. This study is of interest from three points of view. First, contrary to most existing work, patient days are not treated as an output but as an input. Second,...

18 studies using data from 20 highly developed, developing, and less developed countries document that average wages in exporting firms are higher than in non-exporting firms from the same industry and region. The existence of these so-called exporter wage premia is one of the stylized facts...

We use a unique rich newly built data set for German manufacturing enterprises to investigate the product differentiation firm performance relationship. We find that an increase in the degree of product diversification has a negative impact on profitability when observed and unobserved firm...

We use a unique rich newly built data set for German manufacturing enterprises to investigate the relationship between product diversification and the stability of sales and employment. We find that contrary to portfolio theoretic considerations more diversified firms exhibit a higher...

Dieser Aufsatz nutzt geheime Einzeldaten aus amtlichen Erhebungen in niedersächsischen Industriebetrieben, um einen Blick hinter die Kulissen des Exportbooms zu werfen. Hierbei zeigt sich eine ausgeprägte Heterogenität der Exportdynamik zwischen Betrieben innerhalb einer Hauptgruppe,...

18 studies using data from 20 highly developed, developing, and less developed countries document that average wages in exporting firms are higher than in non-exporting firms from the same industry and region. The existence of these so-called exporter wage premia is one of the stylized facts...

Many plant-level studies find that average wages in exporting firms are higher than in non-exporting firms from the same industry and region. This paper uses a large set of linked employer-employee data from Germany to analyze this exporter wage premium. We show that the wage differential...

We use a unique rich newly built data set for German manufacturing enterprises to investigate the relationship between product diversification and the stability of sales and employment. We find that contrary to portfolio theoretic considerations more diversified firms exhibit a higher...

Dieser Aufsatz nutzt geheime Einzeldaten aus amtlichen Erhebungen in niedersächsischen Industriebetrieben, um einen Blick hinter die Kulissen des Exportbooms zu werfen. Hierbei zeigt sich eine ausgeprägte Heterogenität der Exportdynamik zwischen Betrieben innerhalb einer Hauptgruppe,...

18 studies using data from 20 highly developed, developing, and less developed countries document that average wages in exporting firms are higher than in non-exporting firms from the same industry and region. The existence of these so-called exporter wage premia is one of the stylized facts...