Material and methods
The material for this analysis was gained form the official data of the Ministry of Agriculture, the
AGRIC. ECON. CZECH, 59, 2013 (9): 396–402 397
Research Institute of Agricultural and Food Economics and the Statistical Office of the Slovak Republic for the period of 1999–2008, i.e. the last decade. The analysis processing was done via the SPSS.
The aim of this paper is to evaluate the economic performance of farms according to their legal form in the period prior to the entry of the Slovak Republic to the European Monetary Union. This very spe-cialized issue fills in a gap in the field of research for the period under review that was specific for the integration processes related with the acces-sion of the Slovak Republic to the European Union. We assume that the legal form, exactly the way of organizing and managing of the processes in the agricultural subjects has an impact on the economic performance of the farms.
The economic and financial indicators of primary agricultural production for the monitoring period were analyzed from the agricultural holdings data. The data were ensured by the Ministry of Agriculture of the Slovak Republic in the form of information sheets which we obtained from the company Radela, Ltd. The evaluated file included 2509 subjects of legal and natural persons up to 19 and over 20 employees. The information sheets capture the data from agri-cultural holdings which cultivate 81.3% of the area of the agricultural land of Slovakia (1 930 570 ha) and create a file that is not exhaustive. Therefore, the results were recalculated per 1 ha of agricultural land.
The analysis is focused on the following indica-tors: proceeds from the sale of own products and services, added value, granted subsidies (since 2005, all subsidies granted), labour costs, management results (income from operations) and the share of profit-making enterprises.
All analyzed parameters (in addition to the share of profit-making enterprises) were recalculated per a single area, 1 ha of agricultural land (a.l.). All pa-rameters were analyzed individually for the group of
agricultural cooperatives (AC) and individually for the group of business companies (BC).
For each parameter, the normality of division was verified. Due to the fact that there was not a single case when we would not rejected the hypothesis of the abnormal division of data, the parametrical t-test of reliant data was used for the testing of the congru-ence of mean value. The testing characteristics have the Student division, so if the calculated value in its absolute value is lower than the table value on the level of significance 0.05 and the given number of levels of latitude, the zero hypothesis on the congru-ence of mean values is not rejected.
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where:
t = t-test
di = differences between values of the analyzed param eter in the i period
n = numerousness