This paper aims at providing business survey analysts with simple econometric tools to quantify qualitative survey data. We extend the traditional and commonly applied method proposed by Carlson and Parkin (1975) to capture observable survey respondent heterogeneity. We also discuss...

This paper develops a three stage oligopoly game for R&D cooperation, R&D expenditure and product market competition. In the first stage, firms decide whether or not to conduct R&D in cooperation with other firms. In the second stage the level of R&D investment is determined. Finally, firms...

We estimate the effects of works councils on productivity, 1997 - 2000, using the IAB Establishment Panel, a nationally representative German data set. We recoup the works council effect by estimating translog production functions, stochastic frontier production functions, and a model in first...

Using a large panel data set we investigate whether works councils act as a sand or grease in the operation of German firms. Stochastic production frontier analysis indicates that establishments with and without a works council do not exhibit significant differences in efficiency

18 Studies, die sich auf Daten aus 20 hochentwickelten, sich entwickelnden und weniger entwickelten Ländern stützen, zeigen, dass die Durchschnittslöhne in exportierenden Firmen höher liegen als in nichtexportierenden Firmen aus gleichen Branche und Region. Die Existenz dieser Lohnzuschläge...