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The aim of the study was to identify and assess the transformations and regional differentiation of the area structure of farms in Poland. The primary source of data was information collected from the Central Statistical Office (CSO) on the basis of the results of the 2002, 2010 and 2020 Agricultural Censuses and the CSO’s Local Data Bank. The research was carried out on a voivodeship basis. In the study, econometric models were constructed and subjected to detailed verification, the dependent variable being the average area of the farm in hectares of agricultural land. The dependent variable was compared with 16 independent variables, which were selected because of their information potential and discriminatory ability. To explain the reasons for this variation, it was decided to use a model for panel data with constant effects. Lagrange and Hausman tests were used to verify them. The analysis showed that in the period studied, the most important factor adversely affecting the level of the area structure of farms in Poland was the labor resources in agriculture. The factors that accelerated the changes in the area structure also included the rate of succession and the level of education of farm managers.
Lichaczewska-Ziemba et al. (Wed,) studied this question.