The planning of the assortment architecture deals with the problem of assortment,
shelf space and price management. It is a tactical decision as it implies
changes, e.g., for supplier selection and shelf layout (K¨ok et al. 2009; Fisher and
Raman 2010). It receives input from the overarching master category planning.
Allocating shelf space and prices is a core problem with special regard to the
increasing product variants and the demand for better service levels and prices, and
becomes increasingly difficult for retailers.