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...

We examine the occupational and wage mobility of employees with a vocational training degree obtained in the German dual system of apprenticeship training. The conceptual framework is based on the human capital theory and the search theory under the assumption of variation in occupational...