Over fifteen years have elapsed since the transition from the centrally planned economic system started in the early 1990âs. During this time agricultural and rural areas of Central and Eastern Europe have undergone profound structural changes with wide variations in the degree of...

This discussion 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...