Problem definition: We study a dynamic capacity investment problem in a competitive market under demand uncertainty. Two firms make sequential capacity decisions. Each firm's decision interacts with the opponent's current and future capacity. A firm can either plan investments proactively,...

In the warehouse of Ankor, a wholesaler of tools and garden equipment, various problems concerning the storage and retrieval of products arise. For example, heavy products have to be retrieved prior to light products to prevent damage. Furthermore, the layout of the warehouse differs from the...