As service has become the predominant part of all advanced economies,
increasing attention has been paid to conceptualizing and formulating
its mathematical structure. Models that arise from service and the man
agement of service may be broadly grouped into three main categories:
(1) customer behavior models, that explain how customers react to serv
ice, (2) service quality impact models, that address the business cons
equences of service quality, and (3) normative service models, that pr
escribe how organizations should organize and manage their service. We
briefly discuss the most important models in each category, which ari
se primarily from the Marketing, Operations, and Operations Research l
iteratures.