This paper investigates the factors that explain the level and dynamics of manufacturing firm productive efficiency. In our empirical analysis, we use a unique sample of about 39,000 firms in 256 industries from the German Cost Structure Census over the years 1992-2005. We estimate the...

This article formalises the idea of money-metric production frontiers, which we propose as a general framework for nonparametric evaluation of economic efficiency. As we show in our methodological discussion, this improves the flexibility and economic interpretation of our model. The empirical...

The paper examines the labour quality explanation of the employer size?wage gap: larger firms pay higher wages because they employ more skilled workers. Most previous studies control for unobserved skills of workers using longitudinal data and the fixed effects estimator thus relying on a...