Abstract: In this paper, we consider a production machine which may fail and it is necessary to repair the machine after each failure and there are two statuses for each repair; in one case, we should replace the machine because of catastrophic failure and in the other case, only small repairs are needed. Times between failures and repair and replace times are random and demands are satisfied by inventory during repairing and replacing the machine;... More

Abstract: There exists the challenge of seeming lack of empirically determined cargo throughput benchmark models for the privatized West African port terminals particularly in Nigeria, as target benchmarks which terminal operators and port authorities must drive towards to ensure that the current improvement in port productivity experienced in the post concession era is sustained. The study was therefore aimed at developing benchmarks for the cargo... More

Abstract: This research intents to analyze the influence of Socio-Environmental Responsibility Policy of Brazilian’s Central Bank on financial institutions economic performance listed at the Brazilian stock exchange. The data was collected from diversified sources (websites, explanatory notes, reference form and Economatica® data base) from 2012 up to 2017. As sample, 22 financial institutions were considered for data collection and analysis. The results... More

Abstract: E-Commerce refers to such business behavior as conducting trades on a virtual network through the Internet. The core elements contributing to the success of online stores include not only the web-based presentation and the low-price strategy but the quality of online service as well. Importance-Performance Analysis is a method frequently used to evaluate performance and analyze competition strategies. Using IPA, this study analyzed and... More

Abstract: The investigation that underpins the present article interprets the gaps of the social data continuum. It is designed to select a set of images from the “media noise” of the information society, and then describe those that characterize the visual conceptualization of the ideas. The authors present the results of their 14-year research based on the original research methodology, and carried out in several stages (2006, 2012, 2017). The study is... More