ler segments) and that these meta-segments can even belong to super-meta-segments (collections of meta-segments). A few of the more common hierarchical segmentation schemes include: Corporate Organizational Structures -companies belong to branches, collections of branches make up a division, groups of divisions make up the corporation overall Consumer Households and Community Building -a num- ber of consumers belong to the same household, several households create a community Geographical -an address, a city, a state, a country. Holding Company Level Corporate Level Regional Level Branch Level Figure 11-5: A typical corporate hierarchy template Figure 11-5 shows a good example of the template for a typical corporate hierarchy structure and Figure 11-6 is an example of how that hierarchy might look for a typical corporation.. ACME Holding Company ACME Paint Corp. ACME Car Corp. ACME Paint North Region ACME Car South Region ACME Car -North Region ACME Paint Store#1 ACME Car Dealer #3 ACME Car Dealer #2 ACME Car Dealer #1 Figure 11-6: ACME Corporation Hierarchy Example eXcellence in Telecommunications The Telco Churn Handbook Hierarchy systems are most commonly used to help manage corporate customer segments and allow customer relationship managers to consider the overall impact of the activities of corporate groups. DYNAMIC VS. STAGNANT SEGMENTATION One important consideration of segmentation models is the relative permanence and life cycle of the segmentation scheme. Far too often the developers of segmentation models give no thought to the viability of their models over time. Short-Lived Segmentation Schemes The major reason for this lack of concern is that the segmentation being developed is often short-lived in nature. Because the scheme is used once and then abandoned there is no need to worry about the life cycle of segments. The most common utilization of such short-lived segmentation models is for marketing campaigns. Here, marketers are interested in the groups of customers that are the best targets for pa