| Summary: | 碩士 === 國立成功大學 === 工業與資訊管理學系 === 103 === We consider two different classes of service for heterogeneous customers. If the customers choose the premium service (high level service), they will have a higher priority, and if they choose the common service (low level service), they will have a lower priority. The prices of both services are different, and the price for the high-level service is more expensive than the price of the low-level service. We assume that there is a cluster of customers who already have bought the service. When the company proposes high-level and low-level service and sets the price and service time, the customers choose either service based on their utility. Therefore, they are separated into two clusters: high-level customers and low-level customers. Our objective is to make the decisions of price and service time for each type of service that maximize the firm’s profit. Furthermore, we consider a model in which additional customers are attracted by high-level service. Through numerical analysis, we find that when the existing customers’ arrival rate approaches the service rate, the company should not attract additional customers. On the other hand, when the service rate is larger than the existing customers’ arrival rate, the company should make efforts to attract additional customers in order to make more profit.
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