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Item Essays on corporate social responsibility : a thesis submitted in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Finance, School of Accountancy, Economics and Finance, Massey University(Massey University, 2025-09-18) Zhang, XiaochiThis thesis comprises three essays advancing the literature on workplace safety, an important component of corporate social responsibility. The first essay examines how generalist CEOs with transferable managerial skills enhance workplace safety. These executives improve safety by optimizing labor investments, reducing employee workloads, and ensuring higher information quality. The relation is more pronounced among firms facing financing constraints or intense market competition. The study also shows that workplace injuries and illnesses reduce innovation, productivity, and firm value. The second essay explores the impact of shareholder distraction on workplace safety. Distracted shareholders are linked to higher rates of work-related injuries, especially in firms with weak governance and high competition risks. Our findings suggest that reduced monitoring by distracted shareholders leads to lower safety investments, increased workloads, and greater earnings management, resulting in a poorer safety environment. The third essay investigates how the inclusion of general counsel in top management improves employee safety. Firms with general counsel in senior leadership are associated with lower injury and illness rates. The relation is more pronounced for firms with better information quality, more efficient labor investment, leadership by lawyer CEOs, weaker governance structures, and heightened agency problems. Overall, these essays provide new insights into how corporate leadership and governance influence workplace safety. The thesis offers contributions to the literature on workplace safety by addressing critical gaps in existing research. This work extends theoretical frameworks such as upper echelon theory by applying it to the domain of workplace safety. It also underscores the practical implications of aligning leadership capabilities and governance mechanisms to safeguard human capital, ultimately driving sustainable firm performance.Item Fruit measurement horticultural device : developing trust through usability across complex systems : a thesis submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy, College of Creative Arts / Toi Rauwhārangi, Massey University, Wellington, New Zealand(Massey University, 2024-12-11) Krige, ZenéThe agricultural technology (ag-tech) sector aims to use emerging technologies to meet changing consumer demands. To do this, the design of an intuitive smart object needed to be developed, and appraised for the horticultural industry of New Zealand. Its subsequent data needed to be expressed in tangible ways that empower decision-making about orchard operations. An elevated user experience of the device, along with quality data driving the system, would provide a successful engagement with an intelligent product system that sustains trust in the interaction and purpose of the product and integrates trust as a value within the system to advance resilience in horticultural innovation. Focusing on the task of fruit measurement, this project explores the conceptual design of a technology-driven device that can efficiently measure fruit size and count, throughout the season. The translation of this data in a format that enables stakeholders to analyse, query and act on it, seeks to inform and empower decision-making by the end users and stakeholders about the best time to harvest. This allows for better management of resources and deployment of labour and equipment. The consequence is a more sustainable orchard operation with greater productivity and benefits to all stakeholders. The project investigates the interrelationships between stakeholders, their equipment and orchard systems to drive product innovation by strengthening foundations of trust and utility, developing confidence in product use, and demonstrating its role in providing critical data into a horticultural management system with an inanimate object (product) placed within the orchard environment. This creative practice research project aims to address the opportunities that design can offer in bridging technological capability to usable products that can communicate trustworthy data clearly to end-users.Item Developing a framework for prefabrication supply chain integration in New Zealand using blockchain technology : a thesis submitted in fulfilment of the requirements for the degree of Doctor of Philosophy, Construction Project Management, School of Built Environment, College of Sciences, Massey University, Auckland, New Zealand(Massey University, 2024) Bakhtiarizadeh, EhsanPrefabrication or off-site fabrication in New Zealand is snowballing in terms of its contribution to the delivery of construction projects. The increasing demand for new houses and the lack of affordable accommodations in New Zealand evolved the need for innovative and effective project delivery systems instead of conventional types. The prefabrication sub-sector is considered leverage for eliminating the shortcomings of traditional construction systems. However, this sub-sector of the construction industry struggles with challenges such as low coordination and integration across its supply chain partners. These challenges are attributed to the inefficient foundation of communication and information flow. This research addresses the problem of the relatively weak integration within New Zealand's prefabrication construction supply chain. The particular focus of the study is on information integration. The central point is that an effective and efficient exchange of information among supply chain stakeholders is imperative for enhancing supply chain integration in New Zealand's highly fragmented construction industry. Therefore, this study concludes that providing an effective information-integration-based platform for stakeholders involved in prefabrication projects will deliver integration improvement in the whole supply chain system. Blockchain technology, as a secure information integration instrument, capably improves the integration of information flow within the prefabrication sub-sector. Blockchain, a decentralised, safe, and unalterable information storage, offers numerous benefits to investors, clients, end-users, and other organisations or individuals. This technology, via its inherent features such as decentralisation, consensus mechanism, and immutability, supports organisations engaged in the supply chain with more transparent and trustful interactions and information flow. By adopting qualitative and quantitative data collection methods, this research provides insight into the applicability of blockchain technology within prefabrication construction supply chains. Minimum input requirements for blockchain according to types and patterns of information will be identified and categorised, and an applicable framework for using this new information integration technology will be proposed. Some key findings of this study are the identification and classification of (1) key stakeholders and recent project phases within the prefabrication supply chain, (2) flow of information across the stakeholders in different project phases, (3) important information attributes, (4) communication channels among stakeholders, and (4) impact of blockchain technology on facilitating information integration in the prefabrication construction industry of New Zealand. This research utilised pilot interviews, a questionnaire survey, a focus group study, and a validation survey to verify the objectives of the research and validate the proposed blockchain-based framework. The findings of this research could also be relevant to other industries facing similar challenges that rely heavily on information inputs. By identifying the importance of efficient information integration and the attributes crucial for successful project outcomes, stakeholders can prioritise investments in technologies like blockchain to streamline communication and data sharing across the supply chain. The identification of conventional communication modes like email, meetings, and internet-based applications in the prefabrication supply chain suggests a reliance on traditional methods for information exchange. However, the research underscores the importance of transparency, traceability, and reliability in communication, especially in the context of advanced information technology adoption. This implies a need for stakeholders to develop tailored communication strategies that leverage both conventional methods and emerging technologies to ensure effective collaboration throughout project phases. Finally, the development of a practical document management framework utilising blockchain technology presents opportunities for innovation and collaboration within the prefabrication industry. By demonstrating the applicability of blockchain in addressing document management challenges and validating the framework through expert feedback, the research paves the way for industry practitioners to adopt similar approaches in their projects. This suggests a broader trend towards embracing digital solutions and collaborative platforms to enhance information exchange, transparency, and project efficiency in the prefabrication sector.Item The relationship between lean and performance measurement in service and manufacturing organisations in New Zealand : a thesis presented in fulfilment of the requirements for the degree of Doctor of Philosophy in Accounting at Massey University, Manawatū, New Zealand(Massey University, 2024-08-20) Roos, Christina MariaThis thesis examines the relationship between lean and performance measurement systems (PMSs) in New Zealand private and public organisations. There is a dearth of research on lean and PMSs, despite the importance of understanding this relationship. To provide insights and an understanding of this relationship, this study identifies and examines lean techniques and the corresponding performance measures applied to measure lean performance. The research data were analysed using Searcy’s (2004) framework of lean performance dimensions and the findings were informed by contingency theory. The research conclusions were drawn from qualitative interpretations of the data through thematic analysis. The research findings show that lean is still in an emergent state in New Zealand and that managers associate lean with reducing waste to reduce costs, promote continuous improvement, improve quality, and deliver customer value. This differs from the global perspective of providing customer value through continuous improvement (Thornton et al., 2019; Albzeirat et al., 2018). The lean techniques implemented by the lean organisations reflect the managers’ association of lean with reducing cost and promoting continuous improvement, with a marginal focus on improving customer value. Organisations that successfully use lean techniques remain in a ‘black hole’ between measuring lean performance and the inclusion of lean performance dimensions in the PMS. Less than half of the organisations adapted their PMSs to include lean performance, nor did they implement specific lean KPIs to measure and evaluate lean performance. In those organisations where managers had identified, implemented, and used critical lean success factors, they had concurrently modified their PMS to include lean KPIs. Nonetheless, dollars saved are still recognised as the most important lean contribution, subsequently, once dollar-related goals were reached, organisations restored their traditional PMSs. As such, lean performance was neglected, and the existing lean practices were not associated with PMS. Ultimately, most organisations did not adapt their PMSs sufficiently to accommodate lean, and consequently, the organisations’ PMSs did not adequately capture lean outcomes. The implications for organisations and CEOs are that they need to shift focus from cost savings and profits to lean techniques and map the correct key performance indicators to the PMS to fully measure and evaluate lean outcomes.Item Due diligence and psychosocial risk : examining the construction of compliance : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Management at Massey University, Auckland, New Zealand(Massey University, 2024-07-20) Deacon, Louise JoyNew Zealand’s Health and Safety at Work Act 2015 introduced two significant changes to the country’s work health and safety regulatory landscape: (1) it placed a duty upon officers to ensure that the business of which they are an officer complies with its duties under the Act; (2) it broadened the definition of health to include mental health. The latter inclusion confirmed the scope of the Act to apply to psychosocial risks at work. Despite the officers’ duties being lauded as a profound change to New Zealand’s regulatory landscape, there has been little research investigating how officers respond to these legal duties. Further, internationally, there are significant gaps in knowledge regarding the role senior company managers play in psychosocial risk management, particularly relating to the intersect of legal responsibilities and psychosocial risks. This research adopted a Foucauldian analytical approach to examine how ideas about compliance and psychosocial risks are constructed and organised. Specifically, the research questions led to an investigation of the ways in which officers conceptualised and carried out their due diligence duties as they applied to the protection of workers’ mental health and the implications thereof. Semistructured interviews were conducted with 24 officers of large companies operating in New Zealand. The findings indicate that officers tended to discursively construct risk in ways which frequently obfuscated causes of harm arising from work while also problematising the possibility of eliminating or minimising risks to workers. Further, through a process of “risk translation,” psychosocial risks were often transformed into risks which were individualised, psychologised and managerialised. This translative effect functioned to displace psychosocial risks with risks which were more recognisable and amenable to management and posed less challenge to management prerogative. In this way, a dominant construction of risk came to represent worker mental health as a cause of risk to the organisation and the object of compliance, rather than a consequence of psychosocial risk exposure. The resultant compliance responses may therefore be considered symbolic in that they represented attention to legal ideals while marginalising the management of risks arising from work. Thus, the potential of work health and safety legislation to regulate psychosocial harm arising from work was largely curtailed, highlighting the limits of self-regulation in a legal context characterised by uncertainty and ambiguity.Item Reproductive biology of male common dolphins (Delphinus delphis) in New Zealand waters.(Springer Nature, 2023-10-06) Palmer EI; Betty EL; Murphy S; Perrott MR; Smith ANH; Stockin KA; Siebert UReproductive parameters were assessed in 64 male common dolphins (Delphinus delphis) examined post-mortem from strandings and bycatch in New Zealand between 1999 and 2020. The stages of male sexual maturation were assessed using morphological measurements and histological examination of testicular tissue. Age was determined via growth layer groups (GLGs) in teeth. The average age (ASM) and length (LSM) at attainment of sexual maturity were estimated to be 8.8 years and 198.3 cm, respectively. Individual variation in ASM (7.5–10 years) and LSM (190–220 cm) was observed in New Zealand common dolphins. However, on average, sexual maturity was attained at a similar length but at a marginally younger age (< 1 year) in New Zealand compared to populations in the Northern Hemisphere. All testicular variables proved better predictors of sexual maturity compared to demographic variables (age and total body length), with combined testes weight the best outright predictor of sexual maturity. Reproductive seasonality was observed in male common dolphins, with a significant increase in combined testes weight in austral summer. This aligns with most other studied populations, where seasonality in reproduction is typically observed. Given the known anthropogenic impacts on New Zealand common dolphins, we recommend that these findings be used as a baseline from which to monitor population-level changes as part of conservation management efforts.Item Theorising and testing the underpinnings of Lean Six Sigma : a thesis submitted in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Engineering, School of Food and Advanced Technology, Massey University, Manawatū, New Zealand(Massey University, 2023-12-07) Halnetti Perera, Achinthya PereraLean Six Sigma (LSS) is a widely used business process improvement method that combines Lean and Six Sigma. Despite its popularity and large volumes of research, the theoretical underpinnings of LSS remain underdeveloped. This thesis explores the theoretical foundations and practical implications of LSS, using an LSS project as the unit of analysis. Research objectives include: (i) identifying and operationalising the determinants of LSS, (ii) hypothesising the relationships between the determinants of LSS in predicting and explaining LSS project performance and testing the hypothesis empirically, (iii) assessing the impact of residual risks on LSS project performance, (iv) interpreting theoretical relationships from a practical perspective, and (v) testing whether LSS fits to nonmanufacturing as well as it would to manufacturing at a theoretical level. To achieve the objectives, a conceptual model was first framed by conducting a comprehensive literature review on available theories of SS/LSS and a novel approach (machine learning) to extract essential elements from the literature on critical success factors (CSFs). The conceptual model was then developed into a testable theoretical model through case research, which facilitated the operationalisation of the theoretical constructs. The overall hypothesis underpinning the theoretical model states, “Leadership engagement drives LSS Project Initiation and the Continuous Improvement Culture to execute an LSS project to yield the desired outcomes, but the Project Execution → Project Performance causal link would be moderated by the project residual risk”. Finally, the theory was empirically tested using partial least squares structural equation modelling based on data from 296 organisations worldwide. Although the data supported the overall hypothesis, some individual paths failed to support the model (p > 0.05). For example, project residual risk did not moderate the impact as anticipated, indicating that risk assessment is given significant attention during LSS project initiation. The total effect of Leadership Engagement on LSS Project Outcomes was 0.216 (p < 0.001), implying its practical importance (medium effect). The model fitted to nonmanufacturing equally well as manufacturing, supporting the hypothesis. Although case studies suggested that LSS projects are defined differently in manufacturing and nonmanufacturing and LSS structure differs from context to context, the model is robust enough to provide a solid theoretical foundation for LSS. The study adds to the current body of knowledge as a theory extension to the field of quality and operations management.Item Essays on stock price crashes : a thesis presented in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Finance, School of Economics and Finance, Massey University(Massey University, 2024-03-29) Roy, SuvraThis thesis comprises three essays that contribute to the literature on the consequences of stock price crashes. Essay One explores the post-crash responses of managers, the motives behind those responses, and the effects of those management responses on shareholders. The essay finds that managers of the crashed firms change their course of action to regain the trust of investors and improve firm value. Managers shift their attention towards enhancing transparency, optimizing investments, resolving internal conflicts, and investing in social capital and employee well-being. These initiatives contribute to enhancing the firm's value. Furthermore, this research proposes that management engages in these measures with consideration for their job security. Essay Two investigates the extent to which firm systematic risk changes following stock price crashes. It shows that stock price crashes result in increased systematic risk. This is evident across firms with both low and high betas. The higher systematic risk following a crash primarily stems from heightened default risk and results in equity financing becoming more expensive. Essay Three examines whether a firm price crash leads to the returns of the firm’s non-crash peer firms co-moving more with the returns of the market. The essay finds that this does occur. Investors focus more on firms that have experienced a crash while paying less attention to their non-crashed peer firms. This suggests that the investor trading behavior of these peer firms relies less on specific stock-related news and more on general market trends. The essay does not find any evidence to consider internal as well as external monitoring and information asymmetry as possible mechanisms of investor distraction. Overall, these essays provide contributions to the literature on stock price crash risk, financial markets, and corporate risk management. The thesis highlights how stock price crashes impact management responses, systematic risk, and the behavior of non-crashing peer firms, offering valuable insights for managers, investors, and market regulators to manage and respond to such events effectively. The thesis suggests that managers need to ensure their actions are taken post-crashes and potentially even before to prevent adverse events. Increased firm beta post-crash affects equity financing, portfolio management, risk assessment, and hedging decisions. Understanding firms’ systematic risk holds implications for managers, portfolio managers, and market regulators to manage firm systematic risk effectively. This thesis also documents a new source of return co-movement distinct from market-level shocks.Item When and how to say goodbye: An analysis of Standard Operating Procedures that guide end-of-life decision-making for stranded cetaceans in Australasia(Elsevier Ltd, 2022-04) Boys RM; Beausoleil NJ; Betty EL; Stockin KAStandard Operating Procedures (SOPs) are tools used to ensure management best practice during emergency incidents including wildlife interventions, such as cetacean strandings. The compromised state of stranded cetaceans means humane end-of-life decisions may be considered, and SOPs frequently guide this process. This study evaluated SOPs for end-of-life decision-making and technically enacting euthanasia of stranded cetaceans across Australasia. The aim was to highlight similarities and differences in management and explore directions to improve stranded cetacean welfare. SOPs were requested from the eight government authorities across Australia and New Zealand. All SOPs were evaluated for decision-making criteria, yielding 29 parameters for the implementation of end-of-life decisions. Euthanasia and palliative care were options for end-of-life, with palliative care recommended when euthanasia was not feasible or presented human safety risks. Three euthanasia methods were recommended. Ballistics was recommended in seven SOPs, chemicals in five and explosives in three SOPs. Variability existed in the exact procedures and equipment recommended in all three methods. Additionally, only five SOPs provided criteria for verifying death, while only two recommended time-to-death be recorded, hindering evaluation of the welfare impacts of end-of-life decisions and euthanasia procedures. Our findings highlight the need for detailed guidance and consistency in end-of-life decisions and euthanasia techniques to ensure reliable welfare outcomes. Systematic, standardised data collection at euthanasia events across regions is required to facilitate assessment of welfare impacts and develop evidence-based recommendations. International collaboration is key to developing objective criteria necessary to ensure consistent guidance for end-of-life decisions.Item Marine mammal conservation: over the horizon(Inter-Research, 2021-03-25) Nelms SE; Alfaro-Shigueto J; Arnould JPY; Avila IC; Nash SB; Campbell E; Carter MID; Collins T; Currey RJC; Domit C; Franco-Trecu V; Fuentes MMPB; Gilman E; Harcourt RG; Hines EM; Hoelze AR; Hooker SK; Johnston DW; Kelkar N; Kiszka JJ; Laidre KL; Mangel JC; Marsh H; Maxwe SM; Onoufriou AB; Palacios DM; Pierce GJ; Ponnampalam LS; Porter LJ; Russell DJF; Stockin KA; Sutaria D; Wambiji N; Weir CR; Wilson B; Godley BJ; McMahon CMarine mammals can play important ecological roles in aquatic ecosystems, and their presence can be key to community structure and function. Consequently, marine mammals are often considered indicators of ecosystem health and flagship species. Yet, historical population declines caused by exploitation, and additional current threats, such as climate change, fisheries bycatch, pollution and maritime development, continue to impact many marine mammal species, and at least 25% are classified as threatened (Critically Endangered, Endangered or Vulnerable) on the IUCN Red List. Conversely, some species have experienced population increases/recoveries in recent decades, reflecting management interventions, and are heralded as conservation successes. To continue these successes and reverse the downward trajectories of at-risk species, it is necessary to evaluate the threats faced by marine mammals and the conservation mechanisms available to address them. Additionally, there is a need to identify evidence-based priorities of both research and conservation needs across a range of settings and taxa. To that effect we: (1) outline the key threats to marine mammals and their impacts, identify the associated knowledge gaps and recommend actions needed; (2) discuss the merits and downfalls of established and emerging conservation mechanisms; (3) outline the application of research and monitoring techniques; and (4) highlight particular taxa/populations that are in urgent need of focus.