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    Wyświetlanie 1-5 z 5
    Tytuł:
    Simultaneous interpretive structural modelling and weighting (SISMW)
    Autorzy:
    Nasrollahi, Mahdi
    Ramezani, Javaneh
    Sadraei, Mahmoud
    Fathi, Mohammad Reza
    Powiązania:
    https://bibliotekanauki.pl/articles/2175834.pdf
    Data publikacji:
    2022
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    SISMW
    MCDM
    criteria
    modelling
    weighting
    Opis:
    Multi-criteria decision-making (MCDM) methods have been implemented in many fields. In the meantime, several methods have been proposed to obtain the weight of the criteria determined by various methods in different ways. In this paper, a new approach, called simultaneous interpretive structural modelling and weighting (SISMW), is proposed to solve a multi-criterion decision-making (MCDM) problem. Using SISMW, the weight of the criteria and the relationship between them could be determined simultaneously. In this approach, like the ISM method, pair comparison between criteria was made by the decision-maker to determine the relationships among the different criteria. With the help of this data, the weight of the criteria, as well as the causal (cause and effect) relationships between them, were determined in 12 steps. The main advantage of this method is that only one stage of data collection is required for obtaining weights and modelling, and so the research process may be faster. This may increase the reliability of the collected data because, in a one-step survey, the impact of time is minimized. This process can be useful for conceptualizing and developing theories to help decisionmakers understand the problem better.
    Źródło:
    Operations Research and Decisions; 2022, 32, 1; 111--126
    2081-8858
    2391-6060
    Pojawia się w:
    Operations Research and Decisions
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Non-response and Weighting Systems in Business Tendency Surveys: Are Expectations Influenced?
    Autorzy:
    Tomczyk, Emilia
    Kowalczyk, Barbara
    Powiązania:
    https://bibliotekanauki.pl/articles/500709.pdf
    Data publikacji:
    2011
    Wydawca:
    Szkoła Główna Handlowa w Warszawie
    Tematy:
    expectations
    rationality
    non-response
    weighting
    survey data
    Opis:
    Rationality of economic agents belongs to the basic assumptions of neoclassical economic theory, and for decades it has inspired research on whether expectations are indeed formed rationally. Direct data on expectations are available mainly through business tendency surveys which are subject to various types of non-response problems. Inclination of industrial enterprises to respond may be correlated with values of measured variable, introducing response bias. Response bias may also occur as a result of introducing weighting systems to control variable size of respondents. The two key properties of rational expectations, on which the majority of empirical analyses of survey data are focused, are unbiasedness and orthogonality. We analyze several sample balance statistics and expectations series based on quantified survey data, taking into consideration issues of non-response and weighting schemes. Alternative definitions of expectations series aim to account for: 1) influence of arbitrary assumptions concerning weighting of individual data, 2) changing sample structure that results from non-response, 3) response rates varying with degree of optimism / pessimism of respondents. Results of our analysis indicate that expectations concerning relative changes in production are unbiased but not efficient with respect to freely available information, namely, observed relative changes in production (lagged three months) and expectations balance (lagged two months). This result holds for a range of weighting schemes and non-response issues analyzed, including changes introduced to sample structure by non-response, and increased inclination of “optimists” and “pessimists” to supply answers in the business tendency survey, as long as their shares remain constant in time.
    Źródło:
    Prace i Materiały Instytutu Rozwoju Gospodarczego SGH; 2011, 86:Business Surveys, Business Cycles. Polish Contribution to the 30th CIRET Conference; 101-119
    0866-9503
    Pojawia się w:
    Prace i Materiały Instytutu Rozwoju Gospodarczego SGH
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    APPLICABILITY OF THE EVIDEM MULTI-CRITERIA DECISION ANALYSIS FRAMEWORK FOR ORPHAN DRUGS – RESULTS FROM A STUDY IN 7 EURASIAN COUNTRIES.
    Autorzy:
    Baran-Kooiker, Aleksandra
    ATIKELER, Kagan
    GAITOVA, KAMILLA
    HOLOWNIA-VOLOSKOVA, MALWINA
    TURCU-STIOLICA, ADINA
    Kooiker, Coen
    PINIAZHKO, ORESTA
    CZECH, MARCIN
    Powiązania:
    https://bibliotekanauki.pl/articles/895230.pdf
    Data publikacji:
    2019-06-28
    Wydawca:
    Polskie Towarzystwo Farmaceutyczne
    Tematy:
    rare diseases
    MCDA
    orphan drugs
    EVIDEM
    HTA
    weighting
    Opis:
    Several Multi-Criteria Decision Analysis (MCDA) models for use in health technology assessment (HTA) have been developed over the years, including some for orphan drugs (OD). However, there is no general consensus yet on MCDA structure and which criteria should be included and implementation of MCDA into HTA practice has been slow so far. Our study tested the criteria preferences and possibilities for implementation of the EVIDEM MCDA framework for OD with a diverse group of 140 stakeholders in Kazakhstan, Netherlands, Poland, Romania, Russia, Turkey and Ukraine (KZ,NL,PL,RO,RU,TR,UA). The research elicited stakeholder preferences (weighting) for EVIDEM domains, criteria and sub-criteria to measure their relative importance. Correlations of work place and HTA/rare diseases experience with weighting results were investigated. Results showed that the ‘Need for intervention’ domain was assessed as the most important in: RO/NL/RU/TR, in KZ/PL the ‘Type of benefit of intervention’ and in UA ‘Economic consequences of intervention’. ‘Population Priorities’ was uniformly given a low priority. Further research, sharing of experiences and multi-stakeholder discussion is necessary to define a path forward for a robust and sustainable improvement of MCDA models and its application in orphan drug HTA. Model simplification and clarification of outcomes would be beneficial.
    Źródło:
    Acta Poloniae Pharmaceutica - Drug Research; 2019, 76, 3; 581-598
    0001-6837
    2353-5288
    Pojawia się w:
    Acta Poloniae Pharmaceutica - Drug Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Objective weights for scoring: the automatic democratic method
    Autorzy:
    Tofallis, Chris
    Powiązania:
    https://bibliotekanauki.pl/articles/2216202.pdf
    Data publikacji:
    2022
    Wydawca:
    Uniwersytet Ekonomiczny w Katowicach
    Tematy:
    multi attribute decision making
    weighting
    ranking
    performance measurement
    composite indices
    data envelopment analysis
    Opis:
    When comparing performance (of products, services, entities, etc.), multiple attributes are involved. This paper deals with a way of weighting these attributes when one is seeking an overall score. It presents an objective approach to generating the weights in a scoring formula which avoids personal judgement. The first step is to find the maximum possible score for each assessed entity. These upper bound scores are found using Data Envelopment Analysis. In the second step the weights in the scoring formula are found by regressing the unique DEA scores on the attribute data. Reasons for using least squares and avoiding other distance measures are given. The method is tested on data where the true scores and weights are known. The method enables the construction of an objective scoring formula which has been generated from the data arising from all assessed entities and is, in that sense, democratic.
    Źródło:
    Multiple Criteria Decision Making; 2022, 17; 69-84
    2084-1531
    Pojawia się w:
    Multiple Criteria Decision Making
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sample Surveys of Households in Belarus: State and Perspectives
    Autorzy:
    Bokun, Natalia
    Powiązania:
    https://bibliotekanauki.pl/articles/465903.pdf
    Data publikacji:
    2013
    Wydawca:
    Główny Urząd Statystyczny
    Tematy:
    sample fraction
    territorial probabilistic multistage sampling
    weighting
    non-responses
    private subsidiary plots
    Labour Force Survey
    Opis:
    The main principles, characteristics and problems of three sample surveys of households (HH), conducted by the State Statistics of Belarus are considered: 1) The Household Sample Surveys (on expenses and incomes), 2) Private Subsidiary Plots in rural areas (PSP) and 3) Labour Force Survey (LFS). For each of them the purpose, sampling plan, sample design, data collection mode, the methods of estimation and possible ways to improve the surveys are discussed.
    Źródło:
    Statistics in Transition new series; 2013, 14, 1; 89-106
    1234-7655
    Pojawia się w:
    Statistics in Transition new series
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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