Abstract:
The purpose of this research was to study the model, characteristics and causal relationship between service innovation, relationship quality and customer loyalty in the mobile phone service business in Thailand. This research is a quantitative research by surveying 400 questionnaires with multi-stage random sampling method using descriptive statistics including frequency distribution, percentage, arithmetic mean, standard deviation and structural equation model analysis (SEM).
The research found that service innovation, relationship quality and customer loyalty have causal relationship with each other. The service innovation in the client interface between service providers and users had important to relationship quality (customer satisfaction, customer trust, customer commitment and communication) affecting to customer loyalty. Therefore, service business providers should increase service innovation together with the development of quality relationships due to create customer loyalty.