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The purpose of this paper is to examine whether the voluntary annual report disclosures, relating to conflict diamonds, for four of the largest diamond mining companies operating in South Africa can be explained through applying legitimacy theory and media agenda‐setting theory.

Applying legitimacy theory under the assumption of media agenda‐setting theory, the study draws a comparison between the volume of disclosure relating to conflict diamonds made in the annual reports of four of the largest diamond mining companies operating in South Africa and the volume of South African media publications addressing conflict diamonds.

The results of the study suggest that changes in the degree of media attention relating to the issue of conflict diamonds are largely mirrored by the annual report disclosure by one firm, but not by the other firms in the sample. Hence, legitimation motives lend support for only one of the four firms.

It should be noted that in relying upon legitimacy theory to examine variations in voluntary annual report disclosures regarding conflict diamonds, the study does not invalidate the likelihood that other theories, such as stakeholder theory or political economy theory, for example, may also hold explanatory power.

No prior research combining legitimacy theory and media agenda theory to explain voluntary disclosure of conflict diamonds by South African diamond mining companies could be found.

In recent years, social media have attracted considerable attention. Hence, the purpose of this paper is to conduct a critical literature review of social media research with the aim of developing a conceptual framework to explain how social media applications are supported by various social media tools and technologies and underpinned by a set of personal and social behavior theories or models.

This study adopted a two-stage approach. The first stage involves a critical literature review of academic journals in social media research, followed by the proposal of a conceptual framework that highlights the tools and technologies as well as theories and models that serve as the foundation of social media applications. The second stage involves the use of an actual case to demonstrate how the proposed framework facilitates the development of a social media application for a regional division of an international non-government organization.

The literature review indicated that social media have been applied in diverse business areas with the support of various social media tools and technologies and underpinned by a range of personal and social behavior theories and models. Based upon such findings, a conceptual social media application framework was devised and its usability illustrated via a real-life case study. Managerial implications are also discussed.

Social media covers a wide range of research topics and thus, the literature review presented in this study may not be exhaustive. Nevertheless, the proposed framework and case study can both serve as reference for future research and provide recommendations for practitioners in the design and development of their own social media applications.

This study not only explains the importance of applying social media in various business sectors, but also enhances the understanding of the infrastructure of social media applications. The study also provides insights for improving the efficiency of application solutions. Organizations are advised to adopt social media in their business based on the proposed conceptual framework.

With a literature review of social media research and a real-life case study, this study presents a conceptual framework using extant theories and models to form a foundation for social media applications. The framework extends existing knowledge on the design and development of information systems.

The purpose of this paper is to provide an understanding of process improvement team member perceptions regarding the effectiveness of asynchronous e‐collaboration.

A field‐based, two‐phase canonical action research study was conducted at two different sites. Data were obtained from observations and interviews of all team members. Media synchronicity theory was utilized to hypothesize the interplay of media capabilities, task communication processes, and team functions.

Eight primarily virtual teams solved complex problems and provided feedback on the effectiveness of various communications media. The results support media synchronicity theory.

Media synchronicity theory provides an alternative explanation for studies both supporting and contradicting media richness theory. The teams in this study were newly formed. Further investigation of established teams and other contexts is warranted.

For complex problem‐solving tasks performed by newly formed teams, communications media with low synchronicity (e.g. listserv, e‐mail, bulletin board) may be appropriate for conveyance of information; whereas media with high synchronicity (e.g. face‐to‐face, telephone) may be more desirable for convergence on shared meaning.

As geographic, temporal, and cost constraints move organizations toward virtual team work for increasingly complex tasks, research is warranted on effective utilization of available communication technology for solving business problems without face‐to‐face communication. This research paper examines the issue through an emerging theoretical lens, media synchronicity theory, and suggests a new proposition.

This paper aims to examine the effect of Web-based financial reporting and social media platforms on the proxies of information asymmetry in the Saudi Stock Exchange.

The sample of this paper consists of 133 Saudi listed non-financial companies for the year 2019. Web-based disclosure level was measured using 25 items, and the social media platforms examined in this study are Facebook, Twitter and LinkedIn. The information asymmetry proxies are measured using the relative spread and the time-weighted average bid-ask spread.

The empirical results have shown that there is a negative and significant relation between Web-based financial reporting and the adoption of social media platforms and the proxies of information asymmetry. Indeed, the relative spread and the time-weighted average bid-ask spread decreased with increased Web-based reporting levels. Among three platforms (Facebook, Twitter and LinkedIn), the results show that only the use of Twitter as a channel for information disclosure has a negative and significant effect on information asymmetry proxies. Consequently, in the Saudi context, the authors demonstrate that the assumptions of the agency, stewardship and signaling theories are supported. Also, results reveal that the effect of information disclosure through websites and social media on reducing information asymmetry is stronger for large companies than small companies.

The paper provides new insights into the role played by websites and social media platforms in the reduction of the information asymmetry in the stock market. Consequently, investors and regulatory authorities in the Saudi financial market must give great importance to online information disclosure and its implications for lowering information asymmetry. This empirical study informs regulators in Saudi Arabia to conduct the better practice of Web-based and social media financial reporting and to regulate the current practice of information disclosure. Besides, the obtained results have the potential to convince firms’ managers to improve online information disclosure to benefit from the reduction in information asymmetry.

Unlike previous studies, this study investigates, simultaneously, the effect of Web-based and social media information disclosure on the proxies of information asymmetry in a developing economy. In addition, the hypotheses of this study are developed based on a set of theories (the agency, signaling and stewardship theories), to verify the applicability of these three theories in the Saudi context.

The purpose of this study is to rethink the issue of publicity from a cross-cultural and evolutionary perspective.

Assuming that there is a dominant paradigm in the studies of the public sphere centered on Habermas’ ideas, media theory (and especially Luhmann who is considered as a media theorist) is selected as a new context that provides different concepts, ideas, language games and metaphors that allow the re-foundation of the study of publicity.

Publicity as a social structure emerges – and acquires different forms during history – out of the complex dynamics resulting from the interaction between success media, such as power, and different kinds of dissemination media.

A research into the forms of publicity not only promotes awareness of the ubiquity of the phenomenon across cultural evolution, but also offers tools to make new discoveries and systematize what is already known about the subject and its ramifications.

This study examined the association between media consumers' attitudes toward COVID-19-related content on mainstream, on-demand and social media and trust in the government's ability to handle the pandemic crisis.

The study is based on an online survey of a representative sample of 1,005 Israelis aged 18 and over and focused on consumers' perceptions of media contents as a source of information, social solidarity, criticism and anxiety.

Findings indicate that mainstream media were the primary source of pandemic information. A positive association was found between perceptions of mainstream media as a source of criticism and trust in government's actions. This association was negative regarding social and on-demand media. The more mainstream media contents were perceived as anxiety evoking, the lower participants' trust in government's actions. A positive association was found between perceptions that social media encouraged social solidarity and trust in governmental action.

Policymakers should take into consideration that various media operate synergistically to continually construct reality.

This study focuses on consumers' perceptions of COVID-related media contents, which are especially important in the current era of media outlet proliferation, distribution and impact on the government. The unique contribution is in the integrated application of media malaise theory, virtuous circle theory and echo chamber theory to explain the correlation between media consumption and public trust during a global crisis in the era of diverse media outlets.

The peer review history for this article is available at: https://publons.com/publon/10.1108/OIR-06-2021-0299.

This study aims to identify distinct online media user segments on the basis of three media theories, namely media displacement theory, media complementarity theory and media richness theory.

A large‐scale, mobile‐based web survey was conducted in Japan to assess behavioural variables (media time allocation, media richness perceptions, and media access motives) and demographics.

The latent class model reveals four distinct media user segments: dual media users (i.e. users of the internet on both the mobile and the PC); mobile internet users; PC internet users; and passive online users. Dual media users are likely to: spend more time on information searching; perceive greater levels of media richness in online media; and share common motives for accessing internet media via both mobile and PC. The findings are consistent with our theoretical expectations.

Any exploratory clustering of consumers is by definition a snapshot that depends on time and place. Consequently the findings would very likely have been different if the underlying data had been sampled at another time or in different locations. Despite this limitation the findings corroborate some of the basic tenets of theories of media competition and complementarity.

The fact that almost a third of online media users access internet content via both mobile and PC suggests the increasing importance of cross‐media strategies.

This is a pioneering study that examines media competition and complementarity between the mobile internet and the PC internet.

This study aims to map existing literature on customer brand co-creation (CBC) in the context of social media and highlight multiple avenues for future research.

A systematic literature review (SLR) was used to identify relevant articles in Scopus and ISI Web of Science (WoS) databases to get access to the articles. The final sample of 59 articles on CBC on social media published from 2009 to 2021 was selected for review.

The findings clarified the conceptualization of CBC and revealed three groups of theories, seven groups of antecedents and two groups of consequences. Then, these components were synthesized into an integrative framework as a basis for further developing this research area.

The findings contribute to the implementation of branding strategies aimed at involving customers in co-creating value for the brand.

In view of the influences of online videos on the cultural tourism industry, this study aims to explore the mechanisms triggered by watching online video behaviors of fans. This study examines how fans who have watched celebrities’ online videos become tourists who attend concerts held at destinations based on celebrity and destination endorsements.

This study builds for celebrity and destination endorsements on online videos by combining media richness and source model theory. This research adopts partial least squares structural equation modeling to analyze the mechanism triggered by online media.

Watching online media influences celebrity and destination endorsements, which, in turn, affects the concert experience and intention to return to the destination. Results reveal less intertwined relationships between celebrity and destination endorsements and the complex mechanisms between the two endorsements.

With the rise in popularity of online media, online content has become a major source of information in the tourism industry and a means of enjoying travel seamlessly. This study highlights not only the role of “watching online videos” as one of the richest media but also the role of live concerts in cultural tourism for understanding complex cultural tourism.

为了探讨在线视频对文化旅游业的影响, 本研究探讨了观看在线视频所触发旅游行为的机制。本研究考察了在名人和景区的宣传下, 观看名人在线视频的粉丝如何成为参加目的地举办的演唱会的旅游者。

基于媒体丰富度和来源模型理论, 本研究调查了名人与景区的宣传视频。本研究采用partial least squares（PLS）结构方程建模来分析在线媒体所引发的机制。

观看在线媒体影响了名人和目的地宣传效应, 进而影响了演唱会的体验和到访目的地的意愿。研究结果揭示了名人和目的地宣传之间的关系并不紧密, 这两种宣传之间存在着复杂的机制。

随着在线媒体的普及, 在线内容已成为旅游业中信息的主要来源和享受旅游的手段。本研究不仅突出了“观看在线视频”作为最丰富的媒体之一的作用, 也突出了演唱会在文化旅游中的功能, 以更全面地理解复杂的文化旅游。