With development of technology and science and continuous increase in productivity, product life cycles are shortened and customer demands are more personalized and diversified, which makes companies face with ever changing and unpredictable competitive environment. Therefore, rapid response to market competition has become one of the main focuses and the competitive advantages. Today, one of t...

this question has always been put forward in the mind of curious people why some countries have developed termed in spite of very few natural resources and facilities while other countries have not developed in spite of having more suitable resources and facilities. various factors such as economy, culture, geography, etc. are perhaps a background to answer this question, but there is a more im...

Human resource management and total quality management having been identified as “new” approaches have attracted a great deal of practitioners’ interest. Environmental pressures to change, for example, turbulent market conditions and heightened competition, have left organizations little choice to introduce novel approaches in human resource management (HRM) and total quality management (TQM) i...

after the cold war, the concept of international security underwent a modification. among the most important components of such a transformation, the consolidation of ‘environmental security’, a topic in international security, can be taken into account. environmental security deal with threats that are not only the unintentional result of social and economic activities but are very slow in...

Background: In order to protect the environment, humans are required to comply with environmental ethics, as set forth in environmental laws. Unfortunately, oil pollution has had many negative impacts on the Earth's environment in recent years, so various countries have been examining and deciding on new environmental laws over many years. Many decisions overlap with international law and have ...

In the last decades, large organizations have paid more attention to the topics such as creativity and innovation in organizational level because of changes and evolutions in the increasing competition field and unreliable environmental conditions. This research investigates the influence of emotional intelligence on the organizational innovation. This research is considered application-oriente...

Facility location decisions play a prominent role in strategic planning of many firms, companies and governmental organizations. Since in many real-world facility location problems, the data are subject to uncertainty, in this paper, we consider the P-center problem under uncertainty of demands. Using Bertsimas and Sim approach, we develop a robust model of the problem as an integer programming...