In the present paper, we propose a new approach to investigate the logistic function, which is commonly used in mathematical models in economics and management. The approach is based on indicating in a given time series, having a logistic trend, some characteristic points corresponding to zeroes...

The mining industry continues to play a significant role in developing the economy in developing countries. The need for minerals influences the magnitude of the mining industry, and safety concerns have taken on considerable importance in this sector. Equipment failure and breakdown will...

The survival of a business is nowadays more than ever a matter of utmost importance. The process of globalization and current economic crisis are the two main reasons that caused the situation of uncertainty and instability on the world market. In this paper we made a theoretical approach and...