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FUZZY ECONOMIC REVIEW

ISSN (print) 1136-0593 · ISSN (online) 2445-4192

FUZZY ECONOMIC REVIEW, Volume XVI

The forgotten effects model in a crm strategy

A.M. Gil Lafuente; C. Luis Bassa. Universidad de Barcelona

Caring and retaining the customers is now days a fundamental business strategy for the organizations, to confront the market pressures and the competitors’ innovations. Companies have done investments worth millions in customer service, market research, customized support and others. However, it still exists an important gap between the investment and…
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Valuation of industrial giga-investments: theory and practice

M. Collan. University of Turku

Industrial giga-investments are long term irreversible very large, hundred million-class, industrial real investments that have a long building time. These investments are important to the companies undertaking them and to the economy as a whole. Giga-investments can sometimes even steer their markets. Giga-investments are different from financial and small real…
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Arithmetic operations on interactive Fuzzy numbers in financial analysis

B. Rebiasz. AGH University of Science and Technology

This article presents the generalization of Zadeh’s extension principle for arithmetic operations on interactive fuzzy variables. Typical kinds of interactivity between financial analyses parameters in industrial enterprises are discussed later. These interactions make use of nonlinear programming methods necessary to calculate the values of selected financial indices expressed by the…
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Fuzzy impact assessment on the landscape: the kobold platform in the strait of messina case study

A. Bergamascoa. National Council of Research-IAMC

G. Giuntab. Horcynus Orca Foundation

D. Marinoc. Mediterranea University of Reggio Calabria

S. Pandolfod. Sovrintendenza BBAACC Messina

G. Sindonie. Centro Studi Ecos-Med

This paper introduces a new semi-quantitative method to model a landscape assessment, by using a fuzzy analysis approach. The main aim of this research is to evaluate the landscape impact of the Kobold prototype in the Straits of Messina. The Kobold turbine, patented in 1998, is a prototype used to…
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Fuzzy uncertainty in the heston stochastic volatility model

G. Figà-Talamanca. University of Perugia

M.L. Guerra. University of Bologna

L. Stefanini. University of Urbino

Stochastic volatility models for option pricing are suitable to explain many empirical stylized facts in financial markets. Among the other models, Heston provides a good analytical tractability because a quasi closed formula for the price of a European call option can be derived. The estimation of the Heston model parameters…
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Sustainable social environment: Fuzzy assessment and forecasting

N.A. Abdullayeva. Institute of Cybernetics. Azerbaijan National Academy of Science

This paper will present fuzzy approach to assess and forecast the sustainability of social environment based on context-dependent economic, societal, political, spiritual and ecological development indicators. Fuzzy methods are applied on the basis of new database of the indicators taken from different sources, allowing to reflect not only a statics,…
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