A novel coronavirus (COVID-19) has affected more than 200 countries across the globe. It emerged in Wuhan, China in December 2019 and has been declared as a global pandemic by WHO. There are more than 20.2 million confirmed cases and 739 thousand deaths of the COVID-19 all around the world as of...

New product demand continuously fluctuates throughout the life of the product.As a result, markets typically experience high volatility.Most companies operate in highly competitive industries where the product volume supplied by the competitors has a significant effect on production plans.These...