There is a trend in fashion product industry that firms launch new styles of their products more frequently. To investigate the optimal style launching strategy for a fashion firm, we propose a two-period pricing model for a fashion product firm. The firm sells a style of products in the first...

Data envelopment analysis (DEA) has gained much popularity in performance measurement of power industry. This paper presents a slack-based measure approach to investigating the relationship between fossil fuel consumption and the environmental regulation of China's thermal power generation. We...

The zero sum gains data envelopment analysis models (ZSG-DEA models) are non-linear. In this paper, we first show that the ZSG-DEA models can be transformed to linear or parametric linear models and discuss the feasible domains of the parameters. Second, we show that the linear formulations of...

Climate change is likely to induce range divergence of invasive herbivore insects and native host trees given their different response rates to temperature increase. In this study we used the invasion of emerald ash borer (EAB, Agrilus planipennis Fairmaire), which is host-specific to ash...

The study tries to construct the diffusion models of crisis information in micro blog. We propose three information release patterns in micro blog according to the duration of crisis information released, namely concentrated release, continuous release, and pulse release. Based on Logistic...

The reference-price effect refers to the demand deviation caused by consumers’ perceived losses or gains when the current market price of a product differs from a cognitive benchmark (known as a reference price) formed by the customers based on past prices. The impact of such a reference...

A Vendor Managed Inventory (VMI) system consists of a manufacturing vendor and a number of retailers. In such a system, it is essential for the vendor to optimally determine retailer selection and other related decisions, such as the product’s replenishment cycle time and the wholesale price,...

With the rapid development of express delivery industry, the service quality becomes a topic of interest for academic research. This paper extended the previous research by studying the learning effect in express delivery industry. We propose a two-period model to analyse how the learning effect...

We consider a supply chain consisting of a retailer and a supplier, which is influenced by e-business market. To control the uncertainty in demand, the retailer can purchase futures or options from the supplier. Futures or options can be exercised by the retailer to replenish inventory in the...

Data envelopment analysis (DEA) assumes that the data set is precise when performing efficiency evaluation of peer decision making units (DMUs). The current paper proposes a multiple linear regression analysis (MLRA) approach to estimate missing values if some of the entries in the data set are...