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...

Purpose: The purpose of this paper is to improve the accuracy of evaluation efficiency by constructing parallel structures considering the main components of industrial pollutants, and then to consider some external influence factors to eliminate random errors. Design/methodology/approach: In...

Purpose: This paper aims to study whether the upstream foundry in the original design manufacturer (ODM) supply chain will violate the commission contract and engage in the production of pirated products. Based on the conclusion, this study hopes to explain the phenomenon of pirated products in...