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This study aims to design a supply chain network in an uncertain environment while exists two options for distribution of the perishable product and production lot-sizing is concerned.

Owing to the complexity of the mathematical model, a solution approach based on a Lagrangian relaxation (LR) heuristic is developed which provides good-quality upper and lower bounds.

The model output is discussed through various examples. The introduction of some enhancements and using some heuristics results in better outputs in the solution procedure.

This paper covers the modeling of some real-world problems in which demand is uncertain and managers face making some concurrent decisions related to supply chain management, transportation and logistics and inventory control issues. Furthermore, considering the perishability of product in modeling makes the problem more practically significant as these days there are many supply chains handling dairy and other fresh products.

Considering uncertainty, production, transshipment and perishable product in the inventory-routing problem makes a new variant that has not yet been studied. The proposed novel solution is based on the LR approach that is enhanced by some heuristics and some valid inequalities that make it different from the current version of the LR used by other studies.

The purpose of this study is to test the impact of time and price sensitivity on consumer satisfaction and purchase intention on online-to-offline (O2O) takeout platforms and explore the moderating effect of purchase preference on time sensitivity and satisfaction, as well as price sensitivity and satisfaction, in order to guide market pricing.

A structural equation model (SEM) of customer purchase intention was constructed, and the relationships between the variables (time sensitivity, price sensitivity, satisfaction and purchase intention) were examined. The completed questionnaires of 349 respondents were collected from the Questionnaire Star platform in China. The research model and hypotheses were then tested. Analytic hierarchy procedure was used to determine the moderating effect of purchase preference. Finally, the study proposes a pricing strategy for customer-active selective services.

Satisfaction positively influences purchase intention, and price sensitivity significantly increases satisfaction and further increases purchase intention; however, time sensitivity negatively affects satisfaction. Specifically, purchase preference has strongly moderated the relationship between time, price sensitivity and satisfaction. In addition, the findings show that when purchase preference is high, the effect of price sensitivity on satisfaction is stronger, suggesting the importance of purchase preference in strengthening purchase intentions. The research work recommends a pricing strategy involving value-added pricing primarily for time-sensitive customers, which can help build a high-end brand image and reduce price competition. Reduced pricing is mainly for price-sensitive customers, which is conducive to stimulating consumption within a specific time. This pricing strategy is important for adjusting market sensitivity and flexibility.

This research provides new ideas for related disciplines and guidance for the differentiated pricing and promotion of takeout platforms, as well as a theoretical basis for the diversified development of takeout platforms, improvement of personalized service quality and enhancement of customer stickiness. This study fills gaps in the existing literature on the moderating effect of purchase preference on time sensitivity and satisfaction and price sensitivity and satisfaction.

The purpose of this paper is to investigate the effect of flood occurrence on mortality rate and life expectancy amongst 53 African countries.

The study utilizes panel data from the period 2000–2018 on 53 African countries and system generalized method of moments (system GMM) for the analysis.

The result indicates that flood occurrence causes the destruction of health facilities and the spread of diseases which reduces life expectancy. In addition, flood occurrence increases mortality rate amongst 53 African countries.

The study recommends that governments amongst African countries should implement strategies being enshrined in Conference of Parties (COP, 2021) on climate change. This will help to reduce the level of climate change and flood occurrence.

Previous studies focussed on the adverse effect of flood occurrence without considering the issue of life expectancy amongst African countries. This study contributes to existing empirical studies by examining the effect of flood occurrence on mortality rate and life expectancy amongst African countries.

The peer review history for this article is available at: https://publons.com/publon/10.1108/IJSE-07-2022-0508.

Finite impulse response (FIR) digital filters are a general element in several digital signal processing (DSP) systems. In VLSI platform, FIR is a developing filter because the complexity of design grows with the length of the FIR filter and also it has less latency. Generally, the FIR filter is designed dominated by the multiplier and adder. The conventional FIR filters occupy more area because of several numbers of adders and multipliers for filter designs.

To overcome this issue, the Vedic Multiplier (VM) and Moore-based LoopBack Adder (MLBA) approach-based optimal FIR filter were designed in this research. Normally, the coefficient has been generated manually, which performs the FIR filter operation. So, the coefficient was generated from the MATLAB filter design and analysis tool. All pass coefficient was introduced in this research, which performs the processing element (PE). The VM approach was utilized in the PE to multiply the filter inputs and coefficients. This research employs the Moore-based LBA (MLBA) in the accumulator for the adding output of the PE. An MLBA approach is a significantly reduced area and increases speed by applying a looping transform function. Here, the proposed method is called a VM-MLBA-FIR filter. In this research, the FIR filter was done in Field Programmable Gate Array (FPGA) Xilinx by using Verilog code on various Virtex devices.

The experiment results showed that VM-MLBA-FIR filter reduced 26.88% of device utilization and 0.32 W of minimum power consumption compared to the existing PSA-FIR filter.

The experiment results showed that VM-MLBA-FIR filter reduced 26.88% of device utilization and 0.32 W of minimum power consumption compared to the existing PSA-FIR filter.

The purpose of this paper is to examine how the organizational forgetting affect innovation performance under the consideration of the environmental turbulence as a moderating factor of the analysis framework.

This study constructs and verifies a moderated mediating model of organizational forgetting to innovation performance, using the exploratory factor analysis and the hierarchical regression analysis based on a survey sample of 320 Chinese companies.

The organizational forgetting is a critical determinant for improving innovation performance of an enterprise. A more detailed analysis reveals that first organizational forgetting cannot promote organization’s innovation performance without absorptive capacity. Second, the mediating effect of absorptive capacity is more positive when environmental turbulence is higher.

This study provides empirical evidence about the importance of organizational forgetting in the firm innovation.

This paper adds to the existing literature by providing a clear explanation of the impacts of organizational forgetting on innovation performance through a comprehensive empirical study. Contrasting with previous research, this research clarifies the boundary conditions under which organizational forgetting enhances innovation performance. In particular, the authors find that organizational forgetting is not equally positive but instead increases with the level of environmental turbulence.

Despite the perceived benefits of implementing virtual reality (VR) training in elite sport, arguably the most important element – the perceptions of practitioners – has been largely understudied. Therefore, the present study aims to explore practitioners' perceptions of VR training in elite football and baseball, with a focus on the important factors, obstacles, perceived knowledge and practical use of the technology.

A quantitative approach measuring practitioner perceptions via an online questionnaire was adopted. Football respondents (n = 25) represented practitioners from major football leagues across the world, and baseball respondents (n = 15) represented practitioners from Major League Baseball.

Both football and baseball respondents reported that the most important factor for implementation of VR training was improvement in on-field performance (technical and tactical); whilst cost was viewed as the biggest obstacle. Both football and baseball respondents also noted that the most likely group to receive VR training would be injured and rehabilitating athletes. Mann–Whitney U tests revealed that football respondents perceived coach (p = 0.02) and executive approval (p < 0.001) as significantly greater obstacles than baseball respondents.

This research provides novel and invaluable information for stakeholders within VR regarding what the elite organisations of different sports perceive as the most important factors for implementation, as well as greatest obstacles preventing use. This information should guide future development and marketing of VR training systems in sport.

This study aims to investigate the potential of pumpkin seed oil (PSO) and zinc to attenuate oxidative stress and neuroinflammation caused by chronic mild stress (CMS) in the cerebral cortex of male rats.

The rats were submitted to stress for six weeks and then the behavior of the rats was tested by forced swimming test (FST) and novel cage test. The treated groups were given venlafaxine (20 mg/kg), pumpkin seed oil (40 mg/kg) and zinc (4 mg/kg). The cortex homogenate was used for the detection of the oxidative stress parameters, the concentration of neurotransmitters, tumor necrosis factor-α (TNF-α) and interleukin 1β (IL-1β), Na+/K+-ATPase activity, and the expression of histamine N-methyltransferase (Hnmt) and tyrosine hydroxylase (Th).

CMS causes a significant increase in immobility time in the FST and a significant decrease in the number of rearing in the novel cage test. CMS group showed a significant increase in alanine aminotransferase (ALT) activity, levels of cortisol, TNF-α, IL-1β, nitric oxide and malondialdehyde. CMS caused a significant decrease in the concentrations of serotonin, GABA, norepinephrine, and the activities of glutathione peroxidase, catalase, superoxide dismutase and Na⁺/K⁺-ATPase. CMS caused a marked reduction in the expression of Hnmt and Th in the cortex. PSO and zinc attenuated the Na⁺/K⁺-ATPase activity, oxidative parameters and neuroinflammation induced by the CMS, and this was reflected by the elevation of the concentration of neurotransmitters and reduction of cortisol and ALT, in addition to the behavior normalization. PSO and zinc attenuated the CMS by improving the antioxidant milieu and anti-inflammatory status of the cerebral cortex.

There are no studies on the effect of pumpkin seed oil on depression

The purpose of this paper is to investigate how marketing capability, dysfunctional conflict, and relationship value affect relational benefits through the relational proclivity between suppliers and initiators in a group-buying web site.

The initiators selected were those who conducted group buying more than ten times in the group-buying web site. In total, 9,000 invitation e-mails were sent to initiators, of which 389 were returned; the model and hypotheses were tested by using structural equation modeling.

In online group buying, initiators can know about a new product only through the web site; the marketing capability of suppliers and the relationship value of initiators are positively associated with the relational proclivity between suppliers and initiators. And, the results indicate that the dysfunctional conflict of initiators is not positively associated with the relational proclivity between suppliers and initiators. Finally, The relational proclivity between suppliers and initiators is positively associated with the relational benefit between initiators and buyers.

The supplier and the initiator can work together in brainstorming new products; moreover, initiators can assist suppliers by helping them identify buyers’ demands and giving them relevant feedback.

The suppliers’ marketing capability is important for initiators because it can help increase the latter’s ability to catch buyers’ attention. In addition, the initiator and supplier together can think about product innovation and new product designs.

Initiators, as key persons in the group-buying process, serve as a bridge between suppliers and buyers and have a positive impact on group buying. The findings suggest that certain facets of initiators are helpful in explaining the expected product performance of buyers.

The purpose of this paper is to analyse the intention of using fitness app made available by the fitness centre to its members and their relationship with overall customer satisfaction.

The present study uses the extended unified theory of acceptance and use of technology (UTAUT2) as the base model. All the hypothesised relationships were tested through partial least square structural equation modelling (PLS-SEM), in a quantitative study with data from 1,676 fitness consumers from Portugal.

The results support the ability of UTAUT2 in predicting the customer´s intention to use the fitness app. Performance expectancy, effort expectancy, social influence, facilitating conditions, hedonic motivation and habit have a positive impact on behavioural intentions to use the fitness app. Performance expectancy and habit have the strongest relationships. Behavioural intentions are positively related both to the usage behaviour of the fitness app and to overall customer satisfaction.

The results of this study present a strong contribution for fitness centre managers, since it highlights the importance of using these apps as a way to increase customer satisfaction, increasing retention levels.

This study is paramount as regards to examine the behavioural intention to use the fitness apps that the fitness centres make available to their members using UTAUT2 model.

There is a conflation of Mexican origin with the category “undocumented immigrant” that targets and stigmatizes undocumented Mexicans – I call this Mexican illegality stigma. I assess whether Mexican illegality stigma negatively affects the psychological well-being of Mexican-origin individuals in the US, distinguishing between undocumented Mexicans and citizen Mexican Americans. I draw from the stress process model and 52 in-depth interviews – 30 with undocumented young adults from Mexico and 22 with US-born young adults of Mexican descent – to evaluate how undocumented Mexicans and citizen Mexican Americans experience Mexican illegality stigma and to determine whether it affects the psychological well-being of undocumented Mexicans in a distinct manner. I found that all respondents experienced social rejection and discrimination when they were assumed or perceived as undocumented Mexicans. While few of the US-born respondents were affected by these incidents, most undocumented young adults found these incidents stressful because they were humiliating, excluded them from valuable resources and opportunities, and forced them to incur financial burden (e.g., unfair fines), which disrupted their transition to adulthood processes such as parenthood and labor market advancement. This study found evidence that Mexican illegality stigma is a stressor and source of distress for undocumented young adults from Mexico. As opposition to undocumented immigration from Mexico intensifies, the hostile context may further strain the psychological well-being of undocumented Mexicans.