Results 1 to 10 of about 7,996 (162)

Social and Economic Value Evaluation of Water Resource Based on Fuzzy Mathematics and Emergy Theory [PDF]

open access: yes, 2021
Water resources is one of the important drivers of socio-economic development, but the value of water resources in society is not clear. In order to accurately describe the impact of water resources on socio-economic value, a socio-economic value evaluation index system for water resources is established.
Xu, Xiang   +3 more
openaire   +1 more source

Fuzzy gravity approach for determinants of exports [PDF]

open access: yes, 2019
Purpose: The present study proposes the fuzzy gravity model approach to examine the main factors that affect the export volume of Turkey and whether the European Union Customs Union (EUCU) membership affected the export of it. Design/Methodology/Approach:
Değirmenci, N., Yakıcı Ayan, T.
core   +1 more source

A Study on Green Economy Indicators and Modeling: Russian Context [PDF]

open access: yes, 2019
This article aims to assess and forecast the dynamics of a regional green economy. The research relevance is determined by the need to develop theoretical and methodological basis of the green economy for the transition period and to identify criteria ...
Drozhzhin, A.   +4 more
core   +3 more sources

STRUCTURING REGIONAL TV CHANNEL AUDIENCE PREFERENCES ON THE BASIS OF THE FUZZY-LOGIC DECISION TREE ECONOMIC AND MATHEMATICAL MODEL

open access: yesВестник Пермского университета. Серия «Экономика» = Perm University Herald. ECONOMY, 2017
The domestic media market is geographically concentrated. Federal channels own a significant share of TV viewers, leaving regional and local broadcasters a small part of it. To involve viewers in interaction with the media environment, companies embark on a race for the quality and interactivity of television.
Railya Khurmatovna Bakhitova   +2 more
openaire   +3 more sources

Economic-Mathematical Modeling and Forecasting of Competitiveness Level of Agricultural Sector of Ukraine by Means of The-ory of Fuzzy Sets under Conditions of Integration into European Market

open access: yesInternational Journal of Recent Technology and Engineering (IJRTE), 2019
The processes of integration of Ukraine into the European Economic Community, the presence of powerful com-petitors in the European markets encourage the formation of a set of measures with the distinction of tools to ensure the com-petitiveness of the agro-industrial complex of the state.
Serhii Kozlovskyi*   +5 more
openaire   +1 more source

On a possibly pure set-theoretic contribution to black hole entropy

open access: yes, 2020
Continuity as appears to us immediately by intuition (in the flow of time and in motion) differs from its current formalization, the arithmetical continuum or equivalently the set of real numbers used in modern mathematical analysis.
Etesi, Gabor
core   +1 more source

Aggregating opinions in non-uniform ordered qualitative scales [PDF]

open access: yes, 2018
Producción CientíficaThis paper introduces a new voting system in the setting of ordered qualitative scales. The process is conducted in a purely ordinal way by considering an ordinal proximity measure that assigns an ordinal degree of proximity to each ...
García Lapresta, José Luis   +1 more
core   +2 more sources

Economic Management Analysis and Modeling of Rural Economic Development based on Fuzzy Mathematics Theory

open access: yesWSEAS TRANSACTIONS ON SYSTEMS
The importance of agricultural production has gradually increased, and the requirements for agricultural economic development have become more and more refined. Agricultural economic management and rural economic development as a complex giant system, and how the two promote each other are related.
Liang Yin, Mengze Zhang
openaire   +1 more source

The Project Scheduling Problem with Non-Deterministic Activities Duration: A Literature Review [PDF]

open access: yes, 2018
Purpose: The goal of this article is to provide an extensive literature review of the models and solution procedures proposed by many researchers interested on the Project Scheduling Problem with nondeterministic activities duration.
Diaz-Serna, F. Javier   +1 more
core   +4 more sources

Fuzziness and Funds Allocation in Portfolio Optimization [PDF]

open access: yes, 2002
Each individual investor is different, with different financial goals, different levels of risk tolerance and different personal preferences. From the point of view of investment management, these characteristics are often defined as objectives and ...
Florentin Smar   +3 more
core  

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