Inventory Management

Lecture: Prof. Dr. Udo Buscher
Exercises:  Michael Hölscher / Henrik Weimann

Lecture: Monday, 2. DS (09:20-10:50) / SCH A216/H
Start: 13.10.2025

Tutorial: Thursday, 4. DS (13:00-14:30) / BEY/137/U
Start: 23.10.2025

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1 Fundamentals of inventory management
   1.1  Basic terms of inventory
   1.2  Material classification

2 Material classification
   2.1  Models with deterministic demand
          2.1.1    Basic model and quantity discounts
          2.1.2    Multiple items and constraints
   2.2 Models with uncertain demand
          2.2.1    Determining safety stocks
          2.2.2    Lot size-reorder point systems ((q,r)-system)

3 Order quantity models with perishable demand
    3.1 Newsvendor model
    3.2 Supply chain coordination in a newsvendor setting
           3.2.1    Wholesale contract
           3.2.2    Buyback contract

4 Economic production quantity models
    4.1  Basic model with finite production rate
    4.2  Considering explicitly transportation batch sizes
            4.2.1    Equal sized batches
            4.2.2    Unequal sized batches
    4.3  Common cycle approach with multiple products
    4.4  Joint economic lot size model (JELS-model)

5 Order quantity models with time-varying demand
     5.1  Characteristics of dynamic models
     5.2  Wagner/Whitin approach
             5.2.1    Basic model
             5.2.2    Quantity discounts
     5.3  Heuristic procedures
     5.4  Multiple products and capacity constraints