Purpose: This paper aims to estimate the performance of the social security administration (SSA) in dealing with disability benefits applications in American. Design/methodology/approach: The authors propose a multi-stage data envelopment analysis (DEA) method to analyze the efficiency of 167...

Purpose: Based on the traditional buyback model, this paper aims to propose a new buyback method – the variable buyback contract – to solve the serious inventory backlog in the current economic situation. Design/methodology/approach: In this paper, the authors further study the buyback...

Purpose: The purpose of this paper is to establish a stylized model to solve the pricing strategy, resource allocation and consumer surplus problems of multichannel healthcare services. Design/methodology/approach: This paper considers a two-stage decision model with different levels of...

Purpose: It has always been a hot topic for online retailers to obtain consumers’ product evaluations from massive online reviews. In the process of online shopping, there is no face-to-face interaction between online retailers and customers. After collecting online reviews left by customers,...

Purpose – The purposes of this paper is to propose a customer returns model in a dual-channel supply chain where a customer can return the purchased product to the retailer or the manufacturer and obtain an equilibrium of selling prices and refund prices and the optimal profit when considering...