Solid waste management is one of the major environmental concerns in the United States. Over 5 billion tons of non-hazardous solid waste materials are generated in USA each year. Of these, more than 270 million scrap-tires (approximately 3.6 million tons) are generated each year. In addition to this, about 300 million scrap-tires have been stockpiled. Several studies have been carried out to re...

The quality of products, maintenance operations, and transportation policies are primary concerns managers in inventory production planning issues. Besides that, environmental regulations growing increasingly attracted much attention to green concepts such as sustainable production. Previous authors conducted a wide range research on these problems separately. Regarding the gap an integrated fr...

The paper develops an order quantity model with trade credit plus shortages under learning effects for deteriorating imperfect quality products. Generally, when the lot has items, inspection of a is necessary to improve lot. In this article, seller provides defective his buyer financing scheme, and after that separates whole screening process into two categories, one other non-defective items. ...