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The purpose of this paper is to raise mental health practitioner awareness of the opportunities and risks afforded by social media in day-to-day practice.

The paper provides case studies of people experiencing mental health problems who are using social media as part of their recovery, to live well and to challenge stigma.

It was found that, whilst there are risks, many people are using social media for peer support, shared learning and to decrease isolation.

It is argued that mental health practitioners will increasingly need to have an understanding of social media so they can offer support to people they care for in their online as well as offline lives. As the use of social media expands, this will become increasingly important. Social implications – the paper has implications for practice and policy for both mental health.

For the first time, the paper pulls together lived experience of social media from people with mental health problems and make recommendations for practitioners. The paper will be valuable to people experiencing mental health problems, practitioners, health and social care organisations and policy makers.

This chapter explores social media and athlete mental health and well-being from a sociological perspective. The chapter provides an overview of current literature and encourages future research to address the mental health and well-being impacts of social media use among athletes.

The chapter synthesizes existing literature focusing on sociological approaches to mental health, social media's impact on mental health, and athlete mental health and well-being. Focus is given to the ways social media can impact athlete mental health and well-being through virtual maltreatment and using the platforms for social change and challenging stigmatization.

Virtual maltreatment typically manifests in the intersectionality between gender, race, and sexual orientation adding to mental health challenges of vulnerable groups. Conversely, athletes could help challenge stigmatization of mental health and use their status to create social change among social groups experiencing higher rates of mental health challenges.

The chapter reveals that sociological perspectives around athlete mental health and well-being related to social media are growing, yet predominately concentrate on publicly available social media content. Therefore, more concentrated efforts are needed to fully understand these impacts in the short and long-term.

The chapter provides one of the first insights on social media and athlete mental health and well-being from a sociological perspective and argues that athletes contend with unique stressors compared to the general population which can exacerbate mental health challenges. The chapter advances that more research is needed to inform practice and help safeguard vulnerable populations of athletes.

This paper aims to review the relevant literature on mergers and acquisitions in an attempt to provide a comprehensive account of what we know about mergers and which parts of the puzzle are still incomplete.

This literature review consists of three key sections. The first part of this paper summarises the literature on the cyclical nature of mergers referred to in the literature as merger waves. The second section reviews the causes and consequences of takeovers; it first reviews the causes, or drivers, of acquisitions, while focusing on the fact that acquisitions happen in waves and then reviews the consequences of takeovers, with a predominant focus on the impacts of mergers on the economic performance of acquirers. The third part of the review summarises the theories as well as previous empirical studies on determinants of announcement returns and post-acquisition performance of combined firms.

Merger activity demonstrates a wavy pattern, i.e. mergers are clustered in industries through time. The causes suggested for this fluctuating pattern include industry and economy-level shocks, mis-valuation and managerial herding. Market reaction to announcement of acquisitions is, on average, slightly negative for acquirer stocks and significantly positive for target stocks. The combined abnormal return is positive. These findings have been consistent over several decades of investigation. The prior research also identifies a number of factors that are related to performance of acquisitions. These factors are categorised and reviewed in five different groups: acquirer characteristics, target characteristics, bid characteristics, industry characteristics and macro-environment characteristics.

This review illustrates a number of issues. Prior research is heavily biased towards gains to acquirers and factors that affect these gains. It is also biased towards finding sources of value creation through mergers, despite the fact that several theories suggest that mergers can be value-destroying. In fact, value destruction is often attributed to managers’ self-interest (agency problem) and mistakes (hubris). However, the mechanisms through which mergers destroy value are rarely addressed. Aside from that, the possibility of simultaneous creation and destruction of value in acquisitions is not often considered. Finally, after several decades of investigation, a key question is not completely answered yet: “What are the sources of value in mergers and acquisitions?”

This paper aims to review the relevant literature on mergers and acquisitions in an attempt to provide a comprehensive account of what we know about mergers and which parts of the puzzle are still incomplete.

This literature review consists of three key sections. The first part of this paper summarises the literature on the cyclical nature of mergers referred to in the literature as merger waves. The second section reviews the causes and consequences of takeovers; it first reviews the causes, or drivers, of acquisitions, while focusing on the fact that acquisitions happen in waves and then reviews the consequences of takeovers, with a predominant focus on the impacts of mergers on the economic performance of acquirers. The third part of the review summarises the theories, as well as previous empirical studies, on determinants of announcement returns and post-acquisition performance of combined firms.

Merger activity demonstrates a wavy pattern, i.e. mergers are clustered in industries through time. The causes suggested for this fluctuating pattern include industry- and economy-level shocks, mis-valuation and managerial herding. Market reaction to announcement of acquisitions is, on average, slightly negative for acquirer stocks and significantly positive for target stocks. The combined abnormal return is positive. These findings have been consistent over several decades of investigation. Prior research also identifies a number of factors that are related to performance of acquisitions. These factors are categorised and reviewed in five different groups: acquirer characteristics, target characteristics, bid characteristics, industry characteristics and macro-environment characteristics.

This review illustrates a number of issues. Prior research is heavily biased towards gains to acquirers and factors that affect these gains. It is also biased towards finding sources of value creation through mergers despite the fact that several theories suggest that mergers can be value-destroying. In fact, value destruction is often attributed to managers’ self-interest (agency problem) and mistakes (hubris). However, the mechanisms through which mergers destroy value are rarely addressed. Aside from that, the possibility of simultaneous creation and destruction of value in acquisitions is not often considered. Finally, after several decades of investigation, a key question is not completely answered yet: “What are the sources of value in mergers and acquisitions?”

The review of contemporary organisational change theories identified one theory which seemed relevant to explaining the organisational change phenomenon in public enterprises – Van de Ven and Poole’s (1995) Evolutionary Change Theory (ECT). However, further review of the management literature revealed its limitations in explaining change, particularly in public enterprises. The theory fails to identify the triggers of change and the roles of various stakeholders, and the purpose of this paper is to enhance model of the ECT and appraise it.

Researchers continue to highlight the need to examine context when examining a change process; therefore, the authors utilised a process research approach to examine changes in the New Zealand electricity industry over the past four decades. As the approach is a flexible one, it allowed exploration of the critical features of change.

Analysis revealed compelling evidence of two new proposed stages to the ECT which operated in conjunction with external environmental influences that acted as stimuli for change.

The research provided insight into the various influences on organisational change, particularly public enterprises. It confirms the previously ignored power of the external environment and the role of stakeholders in influencing organisational change.

The research advances current understanding of organisational change as it offers an enhanced model of the ECT by identifying the trigger for organisational change in public enterprises. Furthermore, it finds different stakeholder groups with the ability to influence the organisational change process.