Authors are fully responsible for corrections of any typographical, technical and content errors. IIBA Conference Proceedings are not copyrighted. 4th INTERNATIONAL INTERDISCIPLINARY BUSINESS-ECONOMICS ADVANCEMENT CONFERENCE CONFERENCE PROCEEDINGS MAY 26-29, 2015 Las Vegas, Nevada, USA Co-Editors: Prof. Dr. Cihan Cobanoglu Prof. Dr. Serdar Ongan ISSN: 2372-5885