This paper deals with the estimation of a random coefficient model. The virtue of this approach is that it considers firm heterogeneity, which conventional SFA models do not. When the model is applied to Polish farms, the results indicate that the conventional random and fixed effect models...

Flexibility can be considered as a crucial factor of competitive advantage, especially under conditions of dynamically changing environments. Based on the classical microeconomic definition of flexibility, as introduced by Stigler, and some recent concepts developed in the production economics,...

The paper presents the level of competitiveness of the Polish dairy farms at the background of farms from the selected European Union countries. The selection was not random. The research covered farms from the following countries: Poland, Hungary, Lithuania, Austria, Germany, Denmark, the...