The following article analyses the structural changes of the Polish agriculture, which have been influenced by the transformation processes. These processes have been caused and influenced by phenomenas of a various scope and impact, but from the point of view of functioning of agricultural...

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. Applying the model to Polish farms, the results indicate that the conventional random and fixed effect models...