2.2 Theoretical Review
2.2.1 Service Concept
Services are economic activities offered by one party to another. In exchange for money, time, and effort, service customers expect value from access to goods, labor, professional skills, facilities, networks, and systems; but they do not normally take ownership of the physical elements involved (Lovelock & Wirtz, 2011). A service occurs when an interaction is established between customers and service providers and/or the physical component of the service and/or the systems through which the service is delivered (Shahin & Janatyan, 2011).
The concept of service is used and defined in various perspectives by many scholars. A service is a commodity with no physical existence, usually created and consumed at the same time. Gronroos (2001) described a service as a process resulting in an outcome in a partly simultaneous production and consumption process. This definition points to the fact that service provision and consumption are simultaneous activities. Service is intangible in nature, it cannot be mass produced. It cannot be inventoried and stored after