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Autor	Krystyna Świetlik
Tytuł	Światowe i krajowe ceny żywności w latach 2016-2017
Title	Global and Domestic Food Prices During 2016-2017
Słowa kluczowe	żywność, szoki podażowe, niestabilność cen, rynek globalny, Unia Europejska
Key words	food, supply shocks, unstable prices, global market, European Union
Abstrakt	Otwarcie polskiej gospodarki w wyniku transformacji systemowej i integracji europejskiej zwiększyło jej zależność od zjawisk o charakterze globalnym. W ostatniej dekadzie światowe ceny i podaż żywności doświadczały poważnych szoków, co miało istotne konsekwencje dla polskiego rynku żywnościowego. Celem artykułu jest przedstawienie zmian cen żywności w Polsce w latach 2016-2017 na tle tendencji występujących na rynkach światowych, ze szczególnym uwzględnieniem rynku unijnego, określenie siły ich wzajemnych powiązań oraz wskazanie czynników warunkujących te procesy. W wyniku przeprowadzonych analiz stwierdzono, że w Polsce w badanym okresie ceny żywności rosły szybciej niż w UE, ale wolniej niż na rynkach światowych, wykazywały mniejszą wahliwość niż na rynkach zewnętrznych oraz bardzo wysoką korelację ze zmianami cen w UE. Powiązanie z rynkiem unijnym było szczególnie widoczne w przypadku cen produktów mlecznych, zbóż, mięsa wieprzowego, roślin oleistych i cukru.
Abstract	The opening of the Polish market as a result of systemic transformation and European integration increased its dependence on changes in global factors. During the last decade global prices and food supplies experienced serious shocks, which had significant consequences for the Polish food market. The objective of this paper is to present changes in food prices in Poland during 2016-17 against a backdrop of global trends, with particular emphasis on the EU market, a description of the strength of their mutual relationship and an indication of the factors affecting these processes. As a result of the analyses, it was concluded that during the studied period prices in Poland increased faster that in the EU, but more slowly than global prices. They showed a smaller tendency to oscillate than in external markets and a very high correlation with changes in EU prices. The connection with the EU market was particularly apparent in the case of prices of dairy products, cereal crops, pork, vegetable oils and sugar.
Cytowanie	Świetlik K. (2018) Światowe i krajowe ceny żywności w latach 2016-2017.Zeszyty Naukowe SGGW w Warszawie - Problemy Rolnictwa Światowego, t. 18(33), z. 2: 291-302
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Pełny tekst	PRS_2018_T18(33)_n2_s291.pdf

Autor	Magdalena Lampart, Mateusz Mierzejewski
Tytuł	Analysis of Business Cycles in the Breeding of Pigs, Cattle and Poultry and their Relationship to the Causality of Wheat and Rye Cultivation in Poland
Title	Analysis of Business Cycles in the Breeding of Pigs, Cattle and Poultry and their Relationship to the Causality of Wheat and Rye Cultivation in Poland
Słowa kluczowe	pork cycle, hog cycle, agribusiness, breeding, cycles
Key words	pork cycle, hog cycle, agribusiness, breeding, cycles
Abstrakt	The article presents a study on the phenomenon of pig gaps in the perspective of pig, cattle, and poultry farming in Poland. The work attempts to define the phenomenon itself as well as to show the reasons for its occurrence and significance for the Polish economy. The study used a cross-spectral analysis, which indicated cyclical relationships and shifts between the studied time series. The methodology of the work was based on a simplified spectral analysis, i.e. the use of the square of coherence, spectral density and phase spectrum. In addition, the article uses a comparative method for selected production volumes. The results were analyzed in the context of occurrence of pig cycles for breeding and cultivation. The study showed the occurrence of the relationship between pig breeding and wheat and rye cultivation.
Abstract	The article presents a study on the phenomenon of pig gaps in the perspective of pig, cattle, and poultry farming in Poland. The work attempts to define the phenomenon itself as well as to show the reasons for its occurrence and significance for the Polish economy. The study used a cross-spectral analysis, which indicated cyclical relationships and shifts between the studied time series. The methodology of the work was based on a simplified spectral analysis, i.e. the use of the square of coherence, spectral density and phase spectrum. In addition, the article uses a comparative method for selected production volumes. The results were analyzed in the context of occurrence of pig cycles for breeding and cultivation. The study showed the occurrence of the relationship between pig breeding and wheat and rye cultivation.
Cytowanie	Lampart M., Mierzejewski M. (2018) Analysis of Business Cycles in the Breeding of Pigs, Cattle and Poultry and their Relationship to the Causality of Wheat and Rye Cultivation in Poland.Zeszyty Naukowe SGGW w Warszawie - Problemy Rolnictwa Światowego, t. 18(33), z. 2: 218-227
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Pełny tekst	PRS_2018_T18(33)_n2_s218.pdf