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Volume XX, Number 2. November 2015

ANALYSIS OF BETA COEFICIENTS IN THE BRAZILIAN STOCK MARKET USING FUZZY LINEAR REGRESSION METHODOLOGY

Yanina Laumann. Department of Business Management, Faculty of Business and Economics, Rovira i Virgili University.

With the aim of using all the information provided by the market to determine the systematic risk, we intend to continue the study of Terceño et al. (2011, 2014) using fuzzy linear regression to calculate the sectors betas of the Brazilian Stock Market. The analysis with fuzzy regression can be…
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A METHOD FOR THE EVALUATION AND SELECTION OF AN APPROPRIATE FUZZY IMPLICATION BY USING STATISTICAL DATA

George N Botzoris. Assistant Professor, Department of Civil Engineering, Democritus University of Thrace, Xanthi, Greece.

Kyriakos Papadopoulos. Assistant Professor, American University of the Middle East, Egaila, Kuwait.

Basil K. Papadopoulos. c Professor, Department of Civil Engineering, Democritus University of Thrace, Xanthi, Greece.

In classic logic, there exists an implication of the form p->q=n(p) v q (where n(p) is the negation of p and  the maximum). If we consider the fact that the propositions p and q take only the values 0 and 1, then the values of the classic implication are…
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WATER INFRASTRUCTURE FINANCING IN SPAIN: POTENTIAL FOR SECURITIZATION

Xavier Ponce-Alifonso. Research Centre on Industrial and Public Economics (CREIP) and Department of Economics, Faculty of Business and Economics, Universitat Rovira i Virgili.

Susana Sardá García. Department of Business Management, Faculty of Business and Economics, Universitat Rovira i Virgili.

Water scarcity is a persistent problem in Spain. There has consequently been a long-standing debate about the role that the public sector must play in water policies, as well as that of market-based instruments. In this paper we analyze the advantages and disadvantages associated with public and private financing of…
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