In this paper, we present an inventory model for perishable items with freshness-dependent demand rate and partial backlogging. Because the customers prefer to purchasing fresh items for given price, the demand rate is assumed to be decreasing in the age of the items. The existence and uniqueness of the optimal solution of the profit per unit time are examined although the profit function is no...

In linear programming tasks, the optimal solution can remain same even with a significant deviation of initial data. Thus, when studying various problems in economic and mathematical analysis, question stability often arises. The problem finding schedule for processing perishable products is solved below. For example, we could refer to sugar beet, an important strategic product that degrades du...

We study an inventory control problem of a perishable product with fixed short shelf life in Dutch retail practice. The demand is non-stationary during the week but stationary over weeks, mixed LIFO and FIFO withdrawal. supermarket uses service level requirement. A difficulty that age-distribution products stock not always known. Hence, challenge to derive practical efficient order policies dea...