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Welcome to web page of the International Association for Fuzzy-Set Management and Economy (SIGEF)

The facilities which SIGEF make available to its members are many and varied. The most important is be the organization of meetings, conferences, talks and similar activities allowing members to air their concerns, and to present ideas and work in progress. The international journal of the Association, FUZZY ECONOMIC REVIEW, plays a leading role by bringing together the most important projects devised by specialist and offering them a fundamentally practical opening into the business world, in pursuit of university-business cooperation which is both necessary and beneficial to both sides.

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WELCOME TO THE NEW WEB OF SIGEF

This is the new web of SIGEF. We hope you find it useful. Please, if you have some questions or suggestions about it, don’t hesitate to contact us.

07-07-2015

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Last Fuzzy Economic Review

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ROUGH SETS AND DISCRIMINANT ANALYSIS TECHNIQUES FOR BUSINESS DEFAULT FORECASTING

One area for the application of rough sets theory is business failure prediction. Taking a set of financial ratios as the starting point, the decision rules generated from the in-the-sample...

Number 1. May 2015

FUZZY SIMILARITY AND COUNTERFACTUALS IN THE ASSESSMENT OF DEFAULT RISK: THE EUROZONE CRISIS AND THE …

We present an approach, based on the notion of fuzzy similarity, to the comparison of economies under default risk. We run a counterfactual analysis of the perspectives of the most...

Number 1. May 2015

ANALYSIS OF RECOMMENDATIONS ABOUT EXPECTED PRICES OF IBEX 35 USING FUZZY NUMBERS

Predicting the trend of prices of shares is a recurring theme in the financial literature. The predictability allows us to anticipate market movements and therefore to generate higher returns than...

Number 1. May 2015

HOW DO DIFFERENT TIME SPANS AFFECT THE PREDICTION ACCURACY OF BUSINESS FAILURE?

The prediction of business failure has been widely studied by many authors. Most of the studies focused on improve the results by applying new methodologies or by using more suitable...

Number 1. May 2015

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