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Autor	Ewa Krawczyk
Tytuł	Zastosowanie metody kowariancji do określenia ryzyka na rynku nieruchomości komercyjnych
Title	Application of Covariance Method for Risk Assessing on the Commercial Real Estate Market
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Abstract	The Value at Risk model allows answering the base question asked by investor. How much money could be lost with given financial resources involved into given project, in fixed time and fixed risk preference The covariance method used to estimate VaR is static model, but analytic manner of computing allows, after essential analysis, to determine value at risk relatively clearly and quickly. Presented attempt of initiating tool to analyzing quantified risk of investment on real estate market, specialized for capital market, gives observations: a) in the situation of significant growth of investments on real estate market, financed mainly by banking institutions, there is necessity to work out risk models for this market segment, allowing to limit excessive losses caused by too optimistic prices and inappropriate calculations of the effectiveness of the investment, b) well known and used risk models for capital market are basics for connection the both market segments - capital and real - and empirical verification, including investing projects, c) VaR model can be used for determining quantified risk of an investing project, characterized by profitability ratio Net Present Value, but received results should be treated with limited confidence.
Cytowanie	Krawczyk E. (2005) Zastosowanie metody kowariancji do określenia ryzyka na rynku nieruchomości komercyjnych.Zeszyty Naukowe SGGW - Ekonomika i Organizacja Gospodarki Żywnościowej, nr 55: 127-148
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Pełny tekst	EIOGZ_2005_n55_s127.pdf

Autor	Mirosław Wasilewski
Tytuł	Poziom nakładów materialnych a wyniki ekonomiczne gospodarstw indywidualnych
Title	The Level of Material Outlays and Economic Results of Private Farms
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Abstract	In the paper the analysis of the relationship between economic results and the level of the material outlays' concentration in private farms is presented. In general, farms with the highest level of the material outlays' concentration were characterized by the highest profitability of land, while in the group of the lowest level of those outlays the profitability was the lowest. In the case of the productivity of land relationships were similar to the case of its profitability. Social and economic efficiency of labour was higher in the group of farms with the highest level of material outlays, what shows that resources and labour outlays were used effectively. In general farms with an average level of material outlays were characterized by the highest profitability of sale, while farms with the highest outlays were characterized by the lowest profitability. It may show that the effectiveness of material outlays decrease with the growth by unit of the level of outlays. One of possible reasons for that tendency, in comparison with the highest profitability of land in the third group of farms, is using purchased materials for the broader scale, what makes farms independent on their resources of land.
Cytowanie	Wasilewski M. (2004) Poziom nakładów materialnych a wyniki ekonomiczne gospodarstw indywidualnych.Zeszyty Naukowe SGGW - Ekonomika i Organizacja Gospodarki Żywnościowej, nr 52: 91-99
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Pełny tekst	EIOGZ_2004_n52_s91.pdf

Autor	Sławomir Juszczyk
Tytuł	Skala produkcji gospodarstw mlecznych a jej opłacalność
Title	The Scale and the Profitability of Milk Production
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Abstract	In years 1997-2001 in the typical family farms of the Central Macro region with the growth of production scale measured by: numbers of milk cows, milk production per year and commodity value of milk production with coupled production - the profitability of milk production and direct surplus from milk production grew. It is useful to intensify the milk production in those farms. State owned farms had from 42 to 173 milk cows. They achieved the highest direct surplus among the researched farms but average direct profitability fell to 2,41. In spite of taking into consideration the real indirect costs and the depreciation of farms' costs, the achieved profitability still gave the possibility of the growth of direct surplus. It means that a margin cost was higher than an average cost and simultaneously was smaller than purchase price, and that a margin surplus was higher than zero. The increasing of the direct surplus in these farms was possible but connected with a further decreasing of average profitability of milk production. Taking into the consideration the individual measure of the production scale and results received the direct profitability was the most negative correlated with the number of cows in the farm between 1997 and 1999: the index of determination was: 7,19%, 11,04% and 15,05%. Between 2000 and 2001 the direct profitability was the most negative correlated with amount of produced milk, which explained 13,47% and 11,36% changeability of the profitability of the production. The direct surplus in the analysed period was the most correlated with the value of commodity milk production and coupled production. Therefore when one wants to achieve high direct surplus from researched farms one should produce milk of the highest quality and also produce and sell with profit not only calves and defective cows but also farm heifers. In the analysed period the value of milk production and coupled production explained: 62, 30%; 66, 72%; 61, 97%; 90, 21 % and 86, 86% of direct surplus changeability.
Cytowanie	Juszczyk S. (2004) Skala produkcji gospodarstw mlecznych a jej opłacalność.Zeszyty Naukowe SGGW - Ekonomika i Organizacja Gospodarki Żywnościowej, nr 53: 143-157
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Pełny tekst	EIOGZ_2004_n53_s143.pdf

Autor	Beata Madras-Majewska, Janusz Majewski
Tytuł	Opłacalność produkcji pszczelarskiej w Polsce
Title	The Profitability of Honey Production in Poland
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Abstract	The article treats about bee keeping which is a very important element of agriculture. The most important role of bees in environment is plants pollination. Bee colonies produce honey, propolis, bee wax and bee bred. The situation in bee keeping in Poland was critical in the middle of the eighties. The number of apiaries decreased 4 times whereas the number of bee hives decreased 3 times by the end of the nineties. The biggest problems of Polish bee keeping are small average number of trunks in the apiary as well as beekeepers age. They are usually older people and are keeping bees as a hobby. Almost 60% of apiaries have only 20 bee colonies. Such apiaries cannot become the base of beekeeper family livelihood. Only beekeepers that have at least 1 OO colonies in and out apiary can get income high enough to fully support their families. They also have to sell honeybees' products directly to customers. Based on estimations and calculations authors state that Polish bee keeping has a chance to develop in the future. On one hand Polish beekeepers have a chance to get subsidies from EU as well as from Polish government. On the other hand they also have a possibility to gain profits selling their products.
Cytowanie	Madras-Majewska B., Majewski J. (2004) Opłacalność produkcji pszczelarskiej w Polsce.Zeszyty Naukowe SGGW - Ekonomika i Organizacja Gospodarki Żywnościowej, nr 53: 175-185
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Pełny tekst	EIOGZ_2004_n53_s175.pdf

Autor	Stanisław Stępka
Tytuł	Problematyka społeczno-gospodarcza w działalności Stanisława Mikołajczyka
Title	Socioeconomic problems in Stanisław Mikołajczyk's activity
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Abstract	Stanisław Mikołajczyk was peasant's activist, politician and statesman. In his activity he paid attention to activity of Farmer' s Circles, peasant' s cooperation as well as drawing up and realization of the agricultural reform. He considered that economic organizations run by farmers were basis of well functioning agriculture. It was a reason why he supported Society of Farmer' s Circles in Poznań. He thought that farmer's interests were directly connected with peasant' s cooperation. According to Mikołajczyk, they should by protection against the dishonest competition and should influence on profitability of production. He thought that superfluous farmers should change their job and work in trade, craft and cooperation. Stanisław Mikołajczyk set about undertaking these problems in parliament and journalism, particularly in „Przewodnik Gospodarski".
Cytowanie	Stępka S. (2004) Problematyka społeczno-gospodarcza w działalności Stanisława Mikołajczyka.Zeszyty Naukowe SGGW - Ekonomika i Organizacja Gospodarki Żywnościowej, nr 52: 79-89
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Pełny tekst	EIOGZ_2004_n52_s79.pdf