Analysis of influence of value indicators agricultural production on gross value added in Serbian agriculture

Grujić Vučkovski, Biljana and Paraušić, Vesna and Jovanović Todorović, Marijana and Joksimović, Marijana and Marina, Irina (2022) Analysis of influence of value indicators agricultural production on gross value added in Serbian agriculture. Custos e Agronegocio, 18 (4). pp. 349-372. ISSN 1808-2882

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Abstract

The subject of research is the analysis of the influence value of produced agricultural goods and provided services on gross value added (abbr. GVA) in agriculture of Serbia in the period from 2007 until 2020. The aim of writing the paper is to establish which agricultural branch (plant production, livestock production, or agricultural service) has the most contribution to the creation of GVA of agriculture. The set goal was achieved by using multiple regression methods and in a starting model are given achieved values of plant and livestock production, while the value of agricultural services is excluded due to its low share in the total value of agricultural production (2.5% per average year). The results of the regression model were shown that the highest contribution to the creation of GVA of agriculture gives plant production, which by its importance stands out from crop production until the value of livestock production contributes creation of GVA of agriculture in significantly lowes share (value of standardized beta coefficient amounts 0.671 for plant production, ie 0.402 for livestock production). Methods for assessments of the presence of multicollinearity between independent variables (The Tolerance level, VIF value, and Eigen values) have shown that in the frame of plant and livestock production exists a low level of multicollinearity, as a consequence of the influence of livestock production, until in frame of plant production weak multicollinearity as consequences of the influence of fruit-growing and viticulture production.

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