Now showing items 1-4 of 4

  • The economic lot-sizing problem with perishable items and consumption order preference 

    Önal, Mehmet; Romeijn, H. Edwin; Sapra, Amar; Van den Heuvel, Wilco (Elsevier Science Bv, 2015-08-01)
    We consider the economic lot-sizing problem with perishable items (ELS-PI), where each item has a deterministic expiration date. Although all items in stock are equivalent regardless of procurement or expiration date, we ...
  • A mathematical model for perishable products with price- and displayed-stock-dependent demand 

    Önal, Mehmet; Yenipazarlı, Arda; Kundakçıoğlu, O. Erhun (Elsevier Ltd., 2016-12-01)
    We introduce an economic order quantity model that incorporates product assortment, pricing and space-allocation decisions for a group of perishable products. The goal is to maximize the retailer's profit under shelf-space ...
  • A note on "The economic lot sizing problem with inventory bounds" 

    Önal, Mehmet; Van den Heuvel, Wilco; Liu, Tieming (ELSEVIER SCIENCE BV, 2012-11-06)
    In a recent paper, Liu [3] considers the lot-sizing problem with lower and upper bounds on the inventory levels. He proposes an O(n(2)) algorithm for the general problem, and an O(n) algorithm for the special case with ...
  • The two-level economic lot sizing problem with perishable items 

    Önal, Mehmet (Elsevier, 2016-05-01)
    We present an economic lot sizing model of a supply chain for the procurement and distribution of a perishable item. We assume that the consumers always buy the item that lasts longer. We show that determining optimal ...