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This study aims to explore the relationship between experience layoffs and employees’ work engagement. Drawing on the psychological contract theory, we examine the parallel mediating role of cognitive and affective job insecurity, along with the moderating role of perceived organisational support.

The hypotheses were tested based on data collected from 737 employees of companies in various industries in China in an online survey.

The results showed the significant effect of experiencing layoffs on employees’ work engagement through cognitive and affective job insecurity, and the effect was stronger when perceived organisational support was lower. The moderated mediation effect mainly occurred through affective job insecurity but not cognitive job insecurity.

This study deepens the understanding of the mechanism of the negative effect of experiencing layoffs and the boundaries of its impact from a psychological contract breach perspective. By analysing the mediating role of cognitive and affective job insecurity, we have enhanced our understanding of the exchange-based mechanism of employees after experiencing layoffs. By examining the moderating role of perceived organisational support, we reveal the important role of supportive behaviours of organisations in mitigating the negative effects of experiencing layoffs.

The environmental deterioration has become one of the most economically consequential and charged topics. Numerous scholars have examined the driving factors failing to consider the structural breaks. This study aims to explore sustainability using the per capita ecological footprints (EF) as an indicator of environmental adversities and controlling the resources rent [(natural resources (NR)], labor capital (LC), urbanization (UR) and per capita economic growth [gross domestic product (GDP)] of China.

Through the analysis of the long- and short-run effects with an autoregressive distributed lag model (ARDL), structural break based on BP test and Granger causality test based on vector error correction model (VECM), empirical evidence is provided for the policies formulation of sustainable development.

The long-run equilibrium between the EF and GDP, NR, UR and LC is proved. In the long run, an environmental Kuznets curve (EKC) relationship existed, but China is still in the rising stage of the curve; there is a positive relationship between the EF and NR, indicating a resource curse; the UR is also unsustainable. The LC is the most favorable factor for sustainable development. In the short term, only the lagged GDP has an inhibitory effect on the EF. Besides, all explanatory variables are Granger causes of the EF.

A novel attempt is made to examine the long-term equilibrium and short-term dynamics under the prerequisites that the structural break points with its time and frequencies were examined by BP test and ARDL and VECM framework and the validity of the EKC hypothesis is tested.

Challenges associated with ensuring the accuracy and reliability of cost estimation of highway construction bid items are of significant interest to state highway transportation agencies. Even with the existing research undertaken on the subject, the problem of inaccurate estimation of highway bid items still exists. This paper aims to assess the accuracy of the cost estimation methods employed in the selected studies to provide insights into how well they perform empirically. Additionally, this research seeks to identify, synthesize and assess the impact of the factors affecting highway unit prices because they affect the total cost of highway construction costs.

This paper systematically searched, selected and reviewed 105 papers from Scopus, Google Scholar, American Society of Civil Engineers (ASCE), Transportation Research Board (TRB) and Science Direct (SD) on conceptual cost estimation of highway bid items. This study used content and nonparametric statistical analyses to determine research trends, identify, categorize the factors influencing highway unit prices and assess the combined performance of conceptual cost prediction models.

Findings from the trend analysis showed that between 1983 and 2019 North America, Asia, Europe and the Middle East contributed the most to improving highway cost estimation research. Aggregating the quantitative results and weighting the findings using each study's sample size revealed that the average error between the actual and the estimated project costs of Monte-Carlo simulation models (5.49%) performed better compared to the Bayesian model (5.95%), support vector machines (6.03%), case-based reasoning (11.69%), artificial neural networks (12.62%) and regression models (13.96%). This paper identified 41 factors and was grouped into three categories, namely: (1) factors relating to project characteristics; (2) organizational factors and (3) estimate factors based on the common classification used in the selected papers. The mean ranking analysis showed that most of the selected papers used project-specific factors more when estimating highway construction bid items than the other factors.

This paper contributes to the body of knowledge by analyzing and comparing the performance of highway cost estimation models, identifying and categorizing a comprehensive list of cost drivers to stimulate future studies in improving highway construction cost estimates.

The emergence of unique and destructive viruses, such as COVID-19, has claimed lives, disrupted health systems and diverted resources from addressing the needs of male HIV/AIDS patients in the context of antiretroviral therapy and other HIV/AIDS-related issues. This study aims to assess male HIV/AIDS patients’ satisfaction with antiretroviral therapy and its implications for sustainable development in Sub-Saharan Africa.

Satisfaction, word-of-mouth, trust and revisit intention were the variables in the research model. A quantitative method was utilized. Data were collected from 400 male HIV/AIDS patients who received medical attention from hospitals in Gombe State, Nigeria, utilizing the convenience sampling method. SmartPLS was used for data analysis.

The results show that satisfaction has a positive impact on trust, word-of-mouth and revisit intention. Furthermore, trust and word-of-mouth had a significant impact on revisit intentions. Word-of-mouth played a significant mediating role in the relationship between satisfaction and revisit intention. Trust played an insignificant mediating role between satisfaction and revisit intention. Additionally, word-of-mouth had a significant mediating effect on the relationship between trust and revisit intention. Healthcare organisations should prioritise patient satisfaction because it influences their likelihood of returning. Addressing the needs of male HIV patients can significantly enhance their overall healthcare experience, which would lead them to spread positive word of mouth.

Healthcare administrators should make it a top priority to provide superior services that match or exceed patient expectations. The study used quantitative data and focused on the male gender. Also, the empirical research is carried out in public hospitals; however, there are some differences between the types of hospitals in terms of the factors that affect male HIV/AIDS patients’ revisits. We employed a cross-sectional study. As a result, we recommend expanding it into a longitudinal study, as it allows the researcher to validate the causal mechanism and obtain results that are more generalizable.

Healthcare managers should actively encourage positive patient reviews and recommendations. Setting up systems to record and distribute patient success stories can improve the hospital’s reputation and attract new patients. Increased word-of-mouth advertising can naturally result from encouraging positive encounters and outcomes. Healthcare administrators should establish channels for sharing information regarding therapies, procedures and support services that are transparent and easy to obtain. Patients’ intentions to return for follow-up appointments can be favourably influenced by education on the value of ongoing care.

Male HIV/AIDS patients who are satisfied with their care have a tendency to trust medical professionals more, which promotes enhanced therapeutic outcomes and greater compliance with treatment regimens. Positive comments from those with the condition can also reduce stigma and motivate community members to seek treatment, fostering a supportive environment for those living with HIV/AIDS. The study emphasises how important it is for patients and healthcare providers to have stronger, greater empathy connections, which could contribute to decreasing health disparities.

The study investigates the effect of satisfaction on the revisit intention of male HIV/AIDS patients and also highlights how trust and WOM mediate this relationship.