ISSN 1582 – 5949 ANNALS OF THE UNIVERSITY OF PETROŞANI ∼ ECONOMICS ∼ VOL. IV UNIVERSITAS PUBLISHING HOUSE PETROŞANI – ROMANIA 2004 ISSN 1582 – 5949 EDITOR OF PUBLICATION Prof. Eng. Ioan-Lucian BOLUNDUŢ Ph.D. e-mail:
[email protected] ADVISORY BOARD Prof. Eng. Ec. Ioan ABRUDAN Ph.D. - Technical University of Cluj-Napoca, Romania; Prof. Eng. Ec. Ionel BARBU Ph.D. - „Aurel Vlaicu” University of Arad, Romania; Prof. Ec. Victoria BĂRBĂCIORU Ph.D. - University of Craiova, Romania; Prof. Ec. Constantin BÂGU Ph.D. - Economic Studies Academy, Bucharest, Romania; Prof. Ec. Sorin BRICIU Ph.D. - „1 Decembrie 1918”University of Alba-Iulia, Romania; Prof. Ec. Anişoara CAPOTĂ Ph.D. - „Transilvania”University of Braşov, Romania; Prof. Ec. Dorin COSMA Ph.D. - West University of Timişoara, Romania; Prof. Ec. Ioan COSMESCU Ph.D. - „Lucian Blaga” University of Sibiu, Romania; Prof. Ec. Horia CRISTEA Ph.D. - West University of Timişoara, Romania; Prof. Ec. Ioan Constantin DIMA Ph.D. - „ARTIFEX” University of Bucharest, Romania; Prof. Ec. Mariana MAN Ph.D. - University of Petroşani, Romania; Assoc. Prof. Mat. Ec. Ilie MITRAN Ph.D. - University of Petroşani, Romania; Prof. Ec. Dumitru OPREAN Ph.D. - „Babeş-Bolyai” University of Cluj-Napoca, Romania; Prof. Oleksandr ROMANOVSKIY Ph.D. - National Technical University of Kharkov, Ukraine; Assoc. Prof. Ec. Aurelia-Felicia STĂNCIOIU Ph.D. - Economic Studies Academy, Bucharest, Romania; Prof. Ec. László TÓTH Ph.D. - University of Miskolc, Hungary. EDITORIAL BOARD Editor-in-chief: Prof. Ec. Mariana MAN Ph.D. - University of Petroşani, Romania Associate Editors: Lecturer Ec. Codruţa DURA Ph.D. - University of Petroşani, Romania Lecturer Ec. Claudia ISAC Ph.D. - University of Petroşani, Romania Assist.