Scope: he World Journal of Economics and Engineering is dedicated to increasing the depth of Economics and Engineering across disciplines with the ultimate aim of improving Economics and Engineering research. The scope of the WJEE covers theoretical and empirical analysis relating to Engineering economics، applied economics، Microeconomics & Macroeconomics، financial econometrics، Civil Engineering، Material and Mechanical Engineering، Electrical and Electronic Engineering، Geotechnical and Mining Engineering، Chemical Engineering، Computer Science and Information systems، Industrial Engineering، Biomedical Engineering، Textile Engineering، Agriculture and Environmental Engineering، Architecture، Biological Sciences، Aeronautical and Automotive Engineering، Micro & Nanotechnology، Energy Engineering. Papers should be rigorous but also written in a way that makes them intelligible to a wide range of academics and where appropriate practitioners. The journal invites original papers، review articles and short communications containing novel ideas about any aspect of Economics and Engineering that are not published or not being considered for publication elsewhere. The publication of submitted manuscripts is subject to peer review and both general and technical aspects of the submitted paper are reviewed before publication.