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Drawing on social exchange theory, this study aims to investigate the reciprocal relationship between an employee’s knowledge sharing and his or her coworkers’ responses to this focal contributor in terms of knowledge sharing and helping behaviors.

A two-wave online survey collected data from 84 respondents who provided ratings on each member on their team, representing 440 dyadic relationships. Hierarchical linear modeling analyzed the between-subjects and within-subject data simultaneously.

Employees generally reciprocate contributors’ knowledge sharing with an exact act (i.e. knowledge sharing) through the mechanism of peer respect. However, respect generated by knowledge sharing is enhanced only when the knowledge contributor is competent.

Research on how an employee’s knowledge sharing actually influences other members of a team is lacking. This study addresses this gap by examining responses to a team member’s knowledge sharing from a peer’s perspective. It also reveals when knowledge sharing is more pronounced in earning peer respect.

This study aims to explore how and when learning from others promotes creative performance over the contributor’s tenure in the context of open innovation communities.

The authors analyze a publicly available data set that includes 25,923 innovative items developed by 2,194 contributors from an open innovation community of an online game spanning eight years. Logistic regression model is used for analyzing the data.

The results show that multicultural experiences are negatively related to contributor’s creative performance, and this negative relationship weakens as contributor’s tenure increases. While diverse skills are positively related to contributor’s creative performance, and this positive relationship strengthens as contributor’s tenure increases.

This research highlights the importance of online team collaboration in knowledge transfer through learning from others in open innovation communities. By identifying two outcomes of learning from others through online team collaboration, the authors demonstrate the double-edged role of learning from others and advance the understanding on how the effect of learning from others varies over the contributor’s tenure. These results expand the understanding of online team collaboration and provide a new perspective for research on learning from others.

This study examines how contributors with different achievement goals participate under the influence of two common motivators/demotivators on crowdsourcing platforms, namely system design features and task nature.

A free simulation experiment was conducted among undergraduate students with the use of a crowdsourcing platform for two weeks.

The results indicate that contributors with a strong performance-approach goal get better scores and participate in more crowdsourcing tasks. Contributors with a strong mastery-avoidance goal participate in fewer heterogeneous tasks.

Contributors with different achievement goals participate in crowdsourcing tasks to different extents under the influence of the two motivators/demotivators. The inclusion of the approach-avoidance dimension in the performance-mastery dichotomy enables demonstrating the influence of motivators/demotivators more specifically. This article highlights differentiation between the quality and the quantity of heterogeneous crowdsourcing tasks.

Management is advised to approach performance-approach people if a leaderboard and a point system are incorporated into their crowdsourcing platforms. Also, management should avoid offering heterogeneous tasks to mastery-avoidance contributors. System developers should take users' motivational goals into consideration when designing the motivators in their systems.

The study sheds light on habitual achievement goals, which are relatively stable in comparison to contributors' motives and states. The relationships between achievement goals and motivators/demotivators are more persistent across time. This study informs system designers' decisions to include appropriate motivators for sustained contributor participation.

This study examines how individual contributors' evaluation of the two aspects in reward-based crowdfunding—service and community—influences the formation of platform loyalty. It also seeks to determine the conditions under which the evaluation is positive.

We collaborated for data collection with two reward-based crowdfunding platforms in South Korea that primarily promote crowdfunding campaigns in the creative domains. We combined the survey data collected from 578 contributors and campaign data from the platforms, empirically examining the formation of platform loyalty and its antecedents.

The results suggest that service satisfaction with a platform and a sense of belonging to it are positively associated with platform loyalty. We also found that an individual contributor's self-image congruence with the crowdfunding platform is positively associated with service satisfaction and a sense of belonging, while the experience of greater campaign success moderates the relationship in different ways.

This study contributes to the crowdfunding literature by establishing a theoretical background for understanding reward-based crowdfunding platforms, which combine service and community. It also extends the scope of the literature on crowdfunding by examining the role of platform loyalty at the platform level.

The results suggest that service and community are both critical for building a sustainable crowdfunding platform. Platform operators are expected to provide high-quality services and foster a sense of community. Identifying and developing contributors with higher self-image congruence with the platforms is essential.

While previous literature on reward-based crowdfunding has focused on individual contributor- and campaign-level analyses, platform-level knowledge is lacking. This study is among the first to focus on platform loyalty of individual contributors toward reward-based crowdfunding platforms. Moreover, we use both individual-level perception and campaign-level performance variables to examine the formation of platform loyalty.

Crowdfunding offers a popular means to raise donations online from many contributors. Open calls for contributions involve another actor too, namely, the internet platform that maintains the two-sided market. This paper aims to examine the effect of this intermediary on contributors’ willingness to participate in crowdfunding projects.

An online survey measures the relative effect of contributors’ attitudes towards the crowdfunding platform on two key behaviours: willingness to share word-of-mouth and willingness to participate in a project.

Using the theoretical framework of a two-sided market, the empirical study reveals that attitudes towards a crowdfunding platform moderate contributors’ willingness to participate due to several risk factors that affect the platform’s perceived usefulness and ease of use. These factors have negative influences on attitude towards the platform, which reduces support for the project. The effects are stronger for willingness to participate than for word-of-mouth intentions.

Declarative measures and a focus on the utilitarian dimensions of contributor participation limit the external validity of the findings.

With the results of this study, internet platforms can find ways to improve the attitudes of potential contributors. Project creators can use the findings to adapt their communication campaigns and reduce inhibitions that keep contributors from using platforms.

This study advances marketing and crowdfunding literature by highlighting the potential dark side of a platform that functions as an intermediary in a two-sided market.

A literature review was conducted to evaluate the effectiveness of external contributors (anyone other than a teacher at the school) in delivering school‐based drug, alcohol and tobacco education (substance use education) programmes.

The review focused upon literature published from 1990 onwards in English. Published reports were identified via electronic searches, supplemented by hand searching of relevant journals. Relevant organisations and individuals were contacted to identify low circulation, difficult to acquire (grey) literature. Judgements were made of methodological quality and only reports judged to be methodologically sound or better are included in this paper.

A total of 114 reports were included in the review (53 published, 61 unpublished), 42 of which were considered methodologically sound. In total 16 types of contributor were evaluated (although only nine in methodologically sound studies) including nurses, police officers, theatre groups, peers and researchers. There was insufficient evidence to judge a particular type of contributor as most effective at delivering substance use education programmes in terms of behavioural, knowledge, intention or mediating outcome measures, although peers show promise. However, process data revealed that pupils enjoy content delivered by external contributors, which is important, as pupils are more likely to attend to information that is enjoyable.

The paper finds that external contributors should be used in a supplementary role in substance use education in a manner reflecting their expertise, when that expertise maps onto the aims and content of the drug education planned by the school.

With over 80 percent of schools in the USA and the UK using external contributors to deliver substance use education, this paper highlights best practice guidance for their use.

Drawing on sensemaking and emotion regulation research, the purpose of this paper is to reconceptualize core contributor withdrawal (CCW) in the context of online peer-production communities (OPPCs). To explain the underlying mechanisms that make core contributors withdraw from these communities, the authors propose a process theory of contributor withdrawal called the core contributor withdrawal theory (CCWT).

To support CCWT, a typology of unmet expectations of online communities is presented, which uncovers the cognitive and emotional processing involved. To illustrate the efficacy of CCWT, a case study of the English version of Wikipedia is provided as a representative OPPC.

CCWT identifies sensemaking and emotion regulation concerning contributors’ unmet expectations as causes of CCW from OPPCs, which first lead to declined expectations, burnout and psychological withdrawal and thereby to behavioral withdrawal.

CCWT clearly identifies how and why important participation transitions, such as from core contributor to less active contributor or non-contributor, take place. By adopting process theories, CCWT provides a nuanced explanation of the cognitive and affective events that take place before core contributors withdraw from OPPCs.

CCWT highlights the challenge of online communities shifting from recruiting new contributors to preventing loss of existing contributors in the maturity stage. Additionally, by identifying the underlying cognitive and affective processes that core contributors experience in response to unexpected events, communities can develop safeguards to prevent or correct cognitions and emotions that lead to withdrawal.

CCWT provides a theoretical framework that accounts for the negative cognitions and affects that lead to core contributors’ withdrawal from online communities. It furthers the understanding of what motivates contributing to and what leads to withdrawal from OPPC.

This study aims to predict popular contributors through text representations of user-generated content in open crowds.

Three text representation approaches – count vector, Tf-Idf vector, word embedding and supervised machine learning techniques – are used to generate popular contributor predictions.

The results of the experiments demonstrate that popular contributor predictions are considered successful. The F1 scores are all higher than the baseline model. Popular contributors in open crowds can be predicted through user-generated content.

This research presents brand new empirical evidence drawn from text representations of user-generated content that reveals why some contributors' ideas are more viral than others in open crowds.

This research suggests that companies can learn from popular contributors in ways that help them improve customer agility and better satisfy customers' needs. In addition to boosting customer engagement and triggering discussion, popular contributors' ideas provide insights into the latest trends and customer preferences. The results of this study will benefit marketing strategy, new product development, customer agility and management of information systems.

The paper provides new empirical evidence for popular contributor prediction in an innovation crowd through text representation approaches.

Data were collected from a range of stakeholders in Northern Ireland including consumer representatives, policy makers and public health representatives. Data collection occurred in two phases: firstly via in-depth interviews (n = 19), and secondly via roundtables (n = 4) with stakeholders (n = 36) using nominal group technique.

Food poverty has been identified as a significant societal and public health problem in the UK, evidenced in part by published statistics on the prevalence of food poverty, and the well-documented increase in the uptake of food bank provision. This paper presents various theoretical perspectives regarding the aetiology of (food) poverty, followed by stakeholders' opinions on the contributors to food poverty and consideration of how these align with various theoretical perspectives.

Various individual, structural and political factors were identified by stakeholders as contributors to food poverty, with income largely agreed to be the most significant contributor. Two themes of contributors were identified during analysis: micro-level and individual-level contributors and macro-level and economic-level contributors. Structural factors were most commonly cited as contributors to food poverty during both stakeholder interviews and stakeholder roundtables, followed by individual factors and political factors.

Understanding the contributors to food poverty can inform targeted policy action.

There is a lack of theoretical and conceptual literature regarding the causes of food poverty, and there has to date been limited research on the contributors to food poverty in Northern Ireland/the United Kingdom.

Crowdsourcing refers to a new business model in which enterprises or individuals publish tasks or problems, attracting freelancers or contributors to participate in solving tasks, submitting bids and allowing task seekers to choose the final solution. How to attract more quantity and quality of contributors to submit their solutions through a crowdsourcing platform has become a vital question.

In this study, the authors use web crawling to obtain 43,265 effective tasks in EPWK website (www.epwk.com) to probe how to elevate the quantity and quality of contributors via task reward design. This study uses the hierarchical linear model to probe the research questions.

Results show that, with the increase of task reward, the quantity of contributors goes up first and then goes down (inverted U shape), whereas the quality of contributors goes down first and then goes up (U sharp). Moreover, the authors investigate the moderating effects of another task design attribute, task duration. This study finds that task duration weakens the effect of task reward on the quantity of contributors while strengthening the effects of task reward on the quality of contributors.

First, this study theoretically probes two key aspects of task performance, namely, the quantity and quality of contributors, which expand the scope of task performance evaluation. Second, this study reconciles previous concern about the relationship of task reward and performance, which is different from previous studies that have paid more attention to the single perspective of their relationship. Finally, the authors investigate the moderating effects of task duration, which further uncover the mechanism behind task reward and performance, that is, the quantity and quality of task contributors.