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1

Productivity changes in Polish milling companies - application of Malmquist TFPC Index

100%
Jarzebowski S., Bezat A.
Roczniki Naukowe Stowarzyszenia Ekonomistów Rolnictwa i Agrobiznesu
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2008
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tom 10
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nr 5
The panel of financial data from the biggest milling companies in Poland is used in the article. In the polish milling branch there is a lot of factors which exert influence on the productivity change of the companies, This factors are mentioned in the article. The approach which was used in the article is the DEA-based Malmquist productivity index. The index is a useful tool in economics. It can be estimated by using a non-parametric method - Data Envelopment Analysis. This approach permits including of all inputs and outputs which can have an influence on the productivity. The DEA-based Malmquist index allows to calculate indices of total factor productivity change (TFPC) and to decompose it to: TE (technological change), TEC (technical efficiency change) and SEC (scale efficiency change).
2

Effects of policy and market on relative income deprivation of agricultural labour

100%
Czyzewski B., Poczta-Wajda A.
Wieś i Rolnictwo
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2017
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nr 3
Average incomes in the agricultural sector are still much lower than average wages in non-agricultural sectors in the most of the EU Member States, which is contrary to one of the CAP’s initial objectives of “ensuring a fair standard of living for the agricultural community”. The main aim of this paper is to verify whether EU membership and the use of CAP funds helped reduce relative income gap of farmers. The second aim is to analyse which factors influence this income gap and how. Our study is based on EAA data for EU-27 for the period 1995–2015 and makes use of three panel data regression models estimated for all EU Member States, the “old” ones (EU-15) and the “new” ones (EU-12). Our results show that the social goals of the CAP support have not been achieved in the EU-15; however, they have been achieved under the SAPS in the EU-12.
3
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Changes in productivity of selected branches of the Polish food sector in the years 2004–2013

100%
Baran J.
Journal of Agribusiness and Rural Development
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2016
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nr 3[41]
The aim of this paper is to specify changes in productivity of the Polish food sector as a whole and its selected branches in the years 2004–2013. Analyses were conducted based on the Malmquist Productivity Index (MPI). In the MPI model the following variables were adopted: the output – sold production (million PLN), inputs – average number of employees (thous) and gross value of fi xed assets (million PLN). It was confirmed that productivity of the Polish food sector improved in the years 2004–2013. Results of analyses showed that changes in technical efficiency had a greater effect on changes in food sector productivity in Poland – particularly in the first period following Poland’s accession to the EU and starting from 2009, i.e. the outbreak of the economic crisis. Technical change had a considerable eff ect on the improvement of productivity in the food sector only in the years 2006– 2008. The greatest mean annual improvement in productivity in the analysed period was observed in meat and milk processing and beverage production.
4

Changes in phytoplankton productivity in the pelagic zone of the mesotrophic Piaseczno Lake in 1987-1989 and 2001-2003

100%
Czernas K., Serafin A.
Oceanological and Hydrobiological Studies
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2007
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tom 36
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nr Suppl.1
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