A circular economy is a “closed-loop” economic process, in which raw resources, products,
and services keep their value after being processed, incorporated into production, and used …

Ineffective bed allocation across hospital departments leads to the imbalance between
patients' needs and resource capacity. This study aims to simulate patients' arrivals, to …

Before making investment decisions, the investor must find out the risk-return characteristics
of investments with the help of investment strategies. These investment strategies, including …

The trade war between the US and China has led to global instability, this makes studying
this topic very important and sensitive. This study aims to show the impact of the trade war …

Since the collapse of the Bretton Woods system, the system of fixed exchange rates amongst
principal industrial countries, in the early 1970s, a new era began, introducing the floating …

The study examines effect of tactical asset allocation on risk and return in the Nigerian stock
market. The study covers the period of 2005 to 2020. Purposive sampling was employed. 90 …

The study examines effect of tactical asset allocation on risk and return in the Nigerian stock
market. The study covers the period of 2005 to 2020. Purposive sampling was employed. 90 …

This research aims to solve the problem of selection using clustering algorithm, in this
research optimal portfolio is formation using the single index model, and the real data are …

In any financial institution, an optimal portfolio of assets is correctly designed by some
methods which include reliable mathematical programs called optimizers. Investors are …

The Infinitesimal Calculus explores mainly two measurements: the instantaneous rates of
change and the accumulation of quantities. This work shows that scientists, engineers …