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    Wyświetlanie 1-5 z 5
    Tytuł:
    Cointegration analysis in the Central European spruce timber market
    Autorzy:
    Kożuch, Anna
    Powiązania:
    https://bibliotekanauki.pl/articles/2067428.pdf
    Data publikacji:
    2021
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Technologii Drewna
    Tematy:
    wood economics
    timber market
    timber price
    market co-integration
    Opis:
    The oversupply of spruce timber in Central Europe reduces softwood prices, compromising the profitability of forest holdings. To date, relationships between Central European timber markets have been relatively little studied; the same is true of the factors affecting roundwood price variability and fluctuations in that region. An understanding of changes in those markets and linkages between them is important not only for forest owners and managers, but also for companies in the wood sector. The present work describes market analysis in terms of long-term correlations between the Austrian, Czech, Polish, and Slovak markets (cointegration analysis). Cause-and-effect relationships between the analyzed markets were verified using the Granger causality test. The Engle-Granger and Johansen cointegration tests revealed a long-term equilibrium between the analyzed spruce sawlog markets, except for Slovakia. Bidirectional causality was found between the Austrian, Czech, and Polish markets. However, there was no evidence for the integration of pulpwood markets, which indicates their independence.
    Źródło:
    Drewno. Prace Naukowe. Doniesienia. Komunikaty; 2021, 64, 208; 119--133
    1644-3985
    Pojawia się w:
    Drewno. Prace Naukowe. Doniesienia. Komunikaty
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ekonomiczne konsekwencje wichury w 2016 roku w Nadleśnictwie Supraśl
    Economic consequences of the 2016 storm in the Supraśl Forest District
    Autorzy:
    Hryniewicka, A.
    Mandziuk, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/979028.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    extraordinary costs
    timber price
    value of stand
    timber of disaster
    Opis:
    The purpose of the article is to determine the value of losses resulting from salvage cutting of stands and to estimate the amount of extraordinary costs and profits from the sale of removed wood in forests damaged by a wind−storm that occurred on June 17, 2016 in the Supraśl Forest District (NE Poland). We obtained the following data from the State Forests Information System: the size of disaster area, the volume and structure of harvested wood in the affected area, extraordinary costs as a result of damage caused by a wind−storm, average sales price of downed or broken wood separated into individual recipients and entrepreneurs. The renewal of the disaster area has not been completed as for June 5, 2019. To determine the value of losses due to salvage felling of stands, formulas included in the Regulation of the Minister of the Environment of 20 June 2002 on one−time compensation for salvage felling of stands were used. Tables of stand value indicators developed by the Forest Research Institute in 2013 were used for the calculations. The total area of forests damaged by a wind−storm in the Supraśl Forest District was 329 ha. The area in which harvesting was carried out using a clear−cutting method covered 284 ha, the removal of damage in the remaining area was performed in accidental cuts. The total extraordinary costs incurred by the Supraśl Forest District as a result of a wind−storm amounted to over PLN 10.9 million, the largest group were costs related to harvesting and skidding of trees in disaster areas (nearly PLN 9.5 million). The total value of sales of large− and medium−sized wood assortments to retail customers was approximately PLN 1.93 million and to entrepreneurs over PLN 44.7 million. The value of small−sized assortments was at the level of PLN 37.5 thousand for retail customers and PLN 39.8 thousand for entrepreneurs. The value of forests damaged by a wind−storm was estimated at over PLN 20.3 million. A comprehensive analysis of the economic effects of the natural disaster in the Supraśl Forest District has not been completed; it requires research conducted in subsequent years, as the consequences and related costs of the hurricane will be experienced in the near future.
    Źródło:
    Sylwan; 2020, 164, 04; 321-330
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of Value at Risk Method to Assess Timber Selling Price Risk
    Autorzy:
    Adamowicz, Krzysztof
    Michalski, Krzysztof
    Powiązania:
    https://bibliotekanauki.pl/articles/27323547.pdf
    Data publikacji:
    2023
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Technologii Drewna
    Tematy:
    value at risk method
    risk management
    economy
    forestry
    timber selling price risk
    Opis:
    As organisations and economic markets continually evolve, it becomes essential to improve risk management skills on an ongoing basis. In this respect, it is particularly important to make practical use of all the tools available to identify and quantify risks. As with most entities, the most important tool for forest management is the timber selling price risk (TSPR). Economic practice shows that global markets experience very high volatility in this respect. The awareness of some popular techniques to understand the nature of individual risks by properly identifying their impact on the functioning of the organisation is currently increasing in importance. One of these techniques is the Value at Risk (VaR) method, which was used in this study to measure TSPR in 38 timber-selling economic entities. The aim of this article is to examine the concept of TSPR estimation using the VaR method adopted in the methodology by implementing the main VaR assumptions in the Polish forest economy in order to improve the methods of quantification of market risk in forestry, taking into account the impact of the sales volume and trade pattern of wood species on TSPR. The article demonstrates that the application of the VaR method can be an auxiliary tool in the TSPR management process. It is noted that this method can be a basic tool to ascertain the degree of exposure to risk and that the structure of commercial classes of timber is important. Using VaR, the relationship between the level of generated revenue and TSPR as well as between the assortment structure and TSPR was identified and discussed. It is also shown that the class of timber had an impact on TSPR.
    Źródło:
    Drewno. Prace Naukowe. Doniesienia. Komunikaty; 2023, 66, 212; Art. no. 177423
    1644-3985
    Pojawia się w:
    Drewno. Prace Naukowe. Doniesienia. Komunikaty
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ zasobności drzewostanów sosnowych na ustalanie ekonomicznego wieku dojrzałości rębnej
    Impact of Scots pine stand growing stock on determining the optimal economic rotation age
    Autorzy:
    Parzych, S.
    Mandziuk, A.
    Wysocka-Fijorek, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/986601.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    gospodarka lesna
    drzewostany sosnowe
    zasobnosc drzewostanu
    wiek dojrzalosci rebnej
    optymalizacja
    klasy bonitacji
    timber price
    rotation age
    optimization methods timber production
    site class index
    Opis:
    The stand volume is one of the forest inventory characteristic determined during the field work aimed at planning operations in the tree stands. Determining the optimal rotation age is an important decision issue in the forest management. In turn, the key factor that determines the choice of the method for determining the rotation age of the tree stands is the production target. Depending on the rotation age, a specific structure of quantity, quality and dimensions of particular timber assortments is obtained. It seems reasonable that the economic rotation age is one of the main criteria taken into account when planning forest management in tree stands or forest district. The aim of the paper is to assess the impact of growing stock on determining the rotation age of Scots pine stands in particular site index classes. We compared the tabular (i.e. based on data from yield tables) and real (i.e. based on data from the Information System of the State Forests) volume of pine stands. The analysis was based on the forest description data, the amount of the harvested timber and economic data: timber price as well as the costs of harvesting, skidding and production of assortments. The optimal economic rotation age was determined as the point of intersection of the curve describing the average and current increment of the value of Scots pine stands. The research showed that the rotation age of stands is related to the site index class and whether real or tabular results are analysed. The optimal rotation age for Scots pine tree stands is lower in the real data model from 10 to 23 years from that calculated on the basis of tabular data.
    Źródło:
    Sylwan; 2018, 162, 08; 671-678
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ceny sprzedaży drewna w użytkowaniu przedrębnym w drzewostanach sosnowych w zależności od ich wieku
    Prices of timber sales in the intermediate harvest in Scots pine stands depending on their age
    Autorzy:
    Mandziuk, A.
    Parzych, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/979471.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    Panstwowe Gospodarstwo Lesne Lasy Panstwowe
    drzewostany sosnowe
    wiek drzewostanu
    uzytkowanie przedrebne
    surowce drzewne
    drewno
    sortymenty drewna
    ceny sprzedazy
    site class index
    timber price
    assortments
    intermediate harvest
    Opis:
    The research concerned the implementation of tasks in the field of harvesting timber in 2008−2012 in pure pine stands aged 10−140. Numerical data from the SILP database were used for calculating the average price of timber in the intermediate harvest. The data on the volume harvested covered late cleaning, early thinning and late thinning. The assortment structure concerned the following groups of large− (WA0, WA1, WB0, WB1, WC0, WC1 and WD), medium− (S10, S11, S2A, S2B, S3A, S3B and S4) as well as small−sized (M1 and M2) assortment groups. The data on the size and value of wood assortments sold across the country concerned the year 2011 and were used to calculate the average price of wood in age subclasses according to the site quality described with site index class. Subsequently, for each site quality class polynomial equations of the trend line was determined and average timber price for each age subclass was calculated for small−, medium− and large−sized assortments. The analysis showed that S2 is the most frequently harvested assortment in the intermediate cuts in Scots pine stands, whose share depending on the site quality class is at the level of 65.7−72.7% of total harvest. The share of small−sized assortments decreases with age in all site quality classes. The opposite tendency is seen for large−sized assortments, whose share decreases with the deterioration of the site quality. Fraction of medium−sized assortments reaches its peak at the age of ca 45 in IA site index class and the shift in the peak with age is associated with the deterioration of the site quality. The higher the site quality, the higher the prices of assortments in the intermediate harvest. This trend occurs in all age subclasses.
    Źródło:
    Sylwan; 2019, 163, 11; 883-891
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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