Service is defined as economic activities that produce time, place, form, and/or psychological utility. It is intangible, perishable, created and consumed simultaneously . Every product has some form of service . Thus Service specification is necessary to get desired product and service from any purchase. In literature, there are different dimensions of services. In this article, services are classified into three categories: importance of service, expected quality from service and willingness to spend to get a service. Considering these areas, a metrics is developed that could help to identify expected service in terms of cost, importance & quality. Combined with internal and external measures of service, the matrix will also help to understand the features of potential supplier & service, take actionable strategy to get desired services and take effective service product purchase decision.
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