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This research proposes and examines a theoretical model grounded in anthropomorphism theory considering the curvilinear and linear relationships between service robot anthropomorphism and consumer usage intention and explores the mediating effect of perceived risk.

To examine the developed model, two complementary studies are designed. In Study 1, multi-time data of 511 participants show that service robot anthropomorphism inverts U-shaped (curvilinear) relationship on consumer usage intention and perceived risk mediates this curvilinear relationship. In Study 2, multi-source data of 460 volunteers are used to confirm the findings of Study 1 and examine that consumer empathy moderates the complex nonlinear effect of service robot anthropomorphism on perceived risk, and the indirect curvilinear effect of service robot anthropomorphism on consumer usage intention through perceived risk.

This research provides preliminary and yet important findings on how service robot anthropomorphism most likely is positively associated with consumer usage intention, i.e. the positively influence mechanism of service robot anthropomorphism on consumer usage intention.

This research provides preliminary and yet important findings on how service robot anthropomorphism most likely is positively associated with consumer usage intention, i.e. the positively influence mechanism of service robot anthropomorphism on consumer usage intention.

At this work, we propose a local approximation based search method to optimize any function. For this purpose, an approximation method is combined with an estimation filter, and a new local search mechanism is constituted.

RBF network is very efficient interpolation method especially if we have sufficient reference data. Here, reference data refers to the exact value of the objective function at some points. Using this capability of RBFs, we can approximately inspect the vicinity each point in search space. Meanwhile, in order to obtain a smooth, rapid and better trajectory toward the global optimum, the alpha-beta filter can be integrated to this mechanism. For better description and visualization, the operations are defined in 2-dimensional search space; but the outlined procedure can be extended to higher dimensions without loss of generality.

When compared with our previous studies using conventional heuristic methods, approximation based curvilinear local search mechanism provide better minimization performance for almost all benchmark functions. Moreover computational cost of this method too less than heuristics. The number of iteration down to at least 1/10 compared to conventional heuristic algorithm. Additionally, the solution accuracy is very improved for majority of the test cases.

This paper proposes a new search approach to solve optimization problems with less cost. For this purpose, a new local curvilinear search mechanism is built using RBF based approximation technique and alpha-beta estimation filter.

The satisfaction‐trust paradigm has been recently criticized regarding its ability to deliver positive consumer behavioral outcomes. This study aims to argue that – amongst others – a reason for this unpleasant situation may be the failure of service managers to account for non‐linearities in the satisfaction‐trust paradigm.

The setting for this study was the supermarket retail channel. A total of 942 respondents were “intercepted” in supermarket stores, employing a face‐to‐face personal interviewing method. For the detection of curvilinear effects the study employed the two‐step single indicant method of Ping.

It is posited that consumer trust is an important intervening variable through which non‐linear service evaluation effects translate into word‐of‐mouth. Findings imply that investing resources in satisfaction programs do not do a good job in building positive word‐of‐mouth from a point on. Economic value evaluations and trust judgments seem to be both necessary and sufficient conditions for building consumer relationships.

Theoretically, the work extends the relationship marketing research stream suggesting that curvilinear mechanisms are likely present in the well accepted satisfaction‐trust paradigm. Limitations of the study relate to the generalization of the findings in other sectors besides grocery retailing and its cross‐sectional nature.

The findings of this study suggest that relationship marketing managers would be ill‐advised in their investment decisions should they use a linear‐only terms trust model.

This article extends the trust literature in that it investigates whether consumer trust suffers from diminishing returns. Service providers who strive to build long‐term relationships with their customers may not do a good job if they continue to invest in trust determinants that present diminishing returns to scale.

Previous research has yielded inconsistent findings of the effects that task conflict has on creative outcomes, with some research finding a negative relationship but others holding a positive or even no significant relationship. Drawing on the too-much-of-a-good-thing effect approach, this paper aims to investigate the curvilinear relations between task conflict and creative idea generation as well as the mediating role of task reflexivity and the moderating role of task complexity.

Two studies were carried out to test the proposed relationship. In Study 1, multisource and lagged data collected from 533 employees and 140 corresponding supervisors were used to test the curvilinear relationship between task conflict and creative idea generation as well as the moderating effect of task complexity. In Study 2, the authors extended the findings by exploring the mediating effect of task reflexivity using a matched sample of 350 employees and 99 corresponding supervisors.

Task conflict had an inverted U-shaped relationship with creative idea generation, and task reflexivity partially mediated this relationship. Besides, this association was moderated by task complexity such that the curvilinear relationship was more pronounced for tasks with lower complexity.

This study was more or less contaminated by common method variance because some variables were derived from the same sources. Also, task conflict might be necessitated to differentiate and more situational variables should be considered to draw a complete picture.

Managers should undertake conflict management according to the levels of task conflict and task complexity. At a lower degree of task conflict, managers might motivate employees to think more about task-related issues; at higher levels of task conflict, managers should act as conflict mediators to reduce the underlying negative effects, especially for simple tasks.

These findings could help us understand the boundary conditions under, and the underlying mechanisms by, which task conflict has an impact on creative idea generation.

The purpose of this paper is to understand e-loyalty in the travel industry. Specifically, this paper aims to examine the curvilinear relationship between predictors and e-loyalty.

An empirical study was conducted using an online survey with one of the largest travel companies in China. Structural equation modeling was used to test the models, and pair-wise nested F-tests were used to compare the models.

Results show that the curvilinear model has greater explanatory power of loyalty than traditional linear models. The results of pair-wise nested F-tests show that the loyalty model exhibits statistically significant R2 improvement compared to the linear model. However, the R2 improvement in the integrated model is not statistically different from that in the linear model. Confirmation and satisfaction are found to be salient factors influencing loyalty.

This study makes important contributions to the online community literature by understanding the drivers of loyalty in the travel industry. However, there are limitations. First, this study addressed member loyalty of an online travel community with data collected from one company. Thus, generalizability is limited. Online communities and firms may have different characteristics, resulting in different factors influencing consumer loyalty. The authors plan in the future to collect data from other online travel companies and examine their model with different samples so as to check the generalizability of the current findings. Second, the authors collected a snapshot view on loyalty. Both researchers and managers note that small changes in loyalty and retention can yield disproportionately large changes in profitability (Reichheld et al., 2000). Consumer loyalty may change over time, so to maintain and increase profits, it is important to monitor such change. In the future, the authors plan to conduct a longitudinal study of community members to evaluate their loyalty over time.

As China seeks to gain additional market share in the global tourism market, travel companies should make use of websites as a marketing tool to attract and retain customers. These actions enable a travel company to enhance its competitiveness. More and more people use the internet for tour deals, bookings and finding tour-related information. Effective use of websites can affect the competitiveness of ecommerce companies. E-vendors could assess and adopt the dimensions recommended in this paper to help better understand areas for improvement. It is common today for consumers to buy travel products online instead of going through a travel agent. Considering the importance of reciprocity in formulating consumer satisfaction and loyalty in the virtual environment, companies should monitor reciprocal behavior on the virtual community. With advancement in technologies, consumer behaviors have changed and more consumers prefer social interactions in the virtual world. Companies can analyze posts in the virtual environment to assess reciprocity and may design a mechanism to foster reciprocal behaviors. By leveraging reciprocity, firms can better connect satisfaction with loyalty. More than 70 per cent of executives surveyed by McKinsey (2012) said that they regularly generate value through their Web communities. In addition, to pay attention to consumer to consumer reciprocity in the virtual world, companies should listen to what customers say in their online community, as this attention is an indication of reciprocity between consumers and companies. The ideas and opinions expressed in the online community tell the company customers’ perception of the value of its products and customers’ needs. Such attention to the voices in the online community will help companies to better tailor products/services to meet customers’ needs. Furthermore, the voices expressed in the virtual community are also effective in developing and maintaining new internet marketing opportunities such as email marketing, giveaways, search engine optimization, pay per click and shopping comparison marketing. Companies interested in retaining and attracting customers should leverage their established virtual communities and pay close attention to online posts and evaluate members’ satisfaction. Such effort will provide tangible benefits. As shown in Ye et al.’s study, traveler reviews produce a significant impact on online sales (Ye et al., 2011), with a 10 per cent increase in traveler review ratings, boosting online bookings by more than 5 per cent. This finding suggests that businesses should link online user-generated reviews to business performance in tourism. Finding incentives for users to share might be one way to improve interactivity and further create stickiness on the part of the website.

This paper is one of the first studies to address the need to move beyond linear models of e-loyalty and to additionally examine potential curvilinear and interactive effects. This study also identifies key variables such as reciprocity and satisfaction as determinants of e-loyalty in the Chinese online travel and tourism industry.

This study investigates the antecedents of career initiative, a proactive behavior, whereby individuals engage in activities to promote their career development. The authors first argue that organizational tenure – the length of time employed within a specific organization – will exhibit a curvilinear or inverted-U-shaped relationship with career initiative. In the early years of an employment relationship, career initiative gradually increases as employees overcome the initial challenges of joining a new organization. However, career initiative will plateau and eventually decline as employees struggle to envision further development.

This study uses a survey design with data collected from the North American operations of a large global telecommunications company.

This study identifies two key mechanisms, both concerning relational context, that drive the curvilinear relationship between organizational tenure and career initiative: mentoring and barriers to networking. Specifically, increased mentoring and reduced barriers to networking both significantly weaken the curvilinear effect.

The results suggest that organizations can promote proactive behaviors through employee mentoring and by removing network barriers, particularly for those most at risk for reduced career initiative: early- and especially later-tenure employees.

Career initiative is a valued behavior among employees, but individual-level phenomena can be fostered, or inhibited, by relational context. So, while some scholars have found a trend toward “boundaryless” careers, this study reveals the importance of considering how the boundaries and social context within organizations can create an environment in which employee proactivity can flourish.

The purpose of this study is to explore the U-shaped relationship between ambidextrous leadership and employee silence by examining power distance orientation as a boundary condition and role stress and relational energy as mediators.

The authors tested the theoretical model with 212 matched samples collected across three-wave-data from 21 companies and branches in China.

Results revealed that ambidextrous leadership showed a U-shaped relationship with employee silence through role stress and relational energy. Moreover, the authors found that the curvilinear relationship was more significant for employees higher in power distance orientation.

Organizations should be aware of the negative side of ambidextrous leadership as well as its stimulation on employee silence. The leaders should pay more attention to subordinates and judge whether they are under too much stress, as well as treat employees more cautiously in both work and non-work situations.

This study provides a first step to the understanding of curvilinear influence of ambidextrous leadership through investigating the mediating effects of role stress and relational energy, and integrating the moderating role of power distance orientation in the process.

Prior research indicates that empowering leadership has simultaneous contradictory effects on work performance. This study aimed to explore contradictory mechanisms through which empowering leadership is related to work role performance behaviors.

The sample was composed of 274 professionals from five IT companies located in the Baltic area. OLS regression analyses were performed using MEDCURVE for SPSS 23.0.

Empowering leadership is positively related to work role performance behaviors; additionally, perceived uncertainty mediates the relationship between empowering leadership and work role performance behaviors, with the relationship between empowering leadership and uncertainty having a curvilinear U-shape (concave upward). That is, although empowering leadership is positively related to work role performance, the relationship between empowering leadership and work role performance though uncertainty becomes non-significant at high levels of empowering leadership.

This is one of the first studies to demonstrate that empowering leadership is related to work performance through simultaneous compensatory mechanisms. Moreover, this study provides evidence about the curvilinear relationship between empowering leadership and performance through uncertainty (previously unknown).

Although supplier-initiated punishment is widely used to manage distributors’ opportunism, its spillover effect on unpunished distributors (i.e. observers) within the same distribution network remains under-researched. Specifically, this paper aims to investigate the curvilinear effect of punishment severity on an observer’s opportunism, and how such an effect is contingent on the observer’s network position.

This paper uses regression analysis with survey data gathered from 218 distributors in China’s automobile industry.

Punishment severity has an inverted U-shaped effect on the observers’ opportunism, and such effect is weakened by both the observers’ network centrality and their degree of dependence on the supplier.

The findings should encourage suppliers to focus more on the spillover effects of punishment on observers. To this end, the supplier must deliberately initiate the appropriate level of punishment severity against its distributors because an inappropriate level of punishment severity (e.g. too lenient) may unexpectedly raise the unpunished observers’ level of opportunism. Moreover, the supplier should be fully aware that observers’ specific network positions may produce varying spillover effects of the punishment.

This study enriches the literature on channel governance by revealing the curvilinear mechanism through which punishment severity influences observers’ opportunism. By applying social learning theory to channel punishment research, this study unveils both the inhibitive learning and the imitative learning forces inherent in a single punishment event, and it delineates their joint effect on an observer’s opportunism. In addition, this study outlines the observer’s vertical and horizontal relationships within the distribution network and explores their contingent roles in determining the spillover effects of punishment.

This study aims to investigate whether social media use (SMU) at work has a curvilinear effect on job performance and whether Cyberloafing (non-work-related use) and job complexity moderate this effect.

Online surveys were conducted in China among WeChat users from multiple organizations working in the office environment, generating 350 valid responses.

The results revealed that there is an inverted U-shaped relationship between SMU at work and job performance through mediations of communication, information sharing and entertainment; such that the relationship is initially positive but becomes weaker as SMU increases and exceeds the optimal level. Notably, it is found that Cyberloafing negatively moderates the relationship between SMU and job performance, and there is a significant joint moderating effect of job complexity and Cyberloafing.

This study improves the research of information system use. It also provides implications for organizations concerned about formulating policies related to individuals' SMU and suggests that SM users and managers should find strategies to arrive at without surpassing the optimal level to maximize productivity.

This paper enriches the job demands-resources model to extend the literature on the advantages and disadvantages of SMU at work, which indirectly affect performance through two job conditions (job resources and demands). The study finds that employees benefit from a moderate amount of SMU at work, once it surpasses the optimal level, job demands surpass job resources and counterproductivity will appear. In addition, Cyberloafing and job complexity moderate the optimal level of SMU at work, which have not yet been investigated.