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The operations research method of data envelopment analysis (DEA) shows promise for assessing radiotherapy treatment plan quality. The purpose of this paper is to consider the technical requirements for using DEA for plan assessment.

In total, 41 prostate treatment plans were retrospectively analysed using the DEA method. The authors investigate the impact of DEA weight restrictions with reference to the ability to differentiate plan performance at a level of clinical significance. Patient geometry influences plan quality and the authors compare differing approaches for managing patient geometry within the DEA method.

The input-oriented DEA method is the method of choice when performing plan analysis using the key undesirable plan metrics as the DEA inputs. When considering multiple inputs, it is necessary to constrain the DEA input weights in order to identify potential plan improvements at a level of clinical significance. All tested approaches for the consideration of patient geometry yielded consistent results.

This work is based on prostate plans and individual recommendations would therefore need to be validated for other treatment sites. Notwithstanding, the method that requires both optimised DEA weights according to clinical significance and appropriate accounting for patient geometric factors is universally applicable.

DEA can potentially be used during treatment plan development to guide the planning process or alternatively used retrospectively for treatment plan quality audit.

DEA is independent of the planning system platform and therefore has the potential to be used for multi-institutional quality audit.

To the authors’ knowledge, this is the first published examination of the optimal approach in the use of DEA for radiotherapy treatment plan assessment.

The study analyses the role that open social innovation (OSI) perspective played for Fondazione Banco Alimentare Onlus (FBAO), a food bank in Italy, in responding to the COVID-19 crisis. It answers the following research question: how does a crisis, such as the COVID-19 pandemic, stimulate the adoption of OSI practices to revamp the activities of FBAO and facilitate appropriate solutions to carry out its social mission?

This study employs a qualitative approach. It is based on a single case study.

The study shows how COVID-19 has stimulated the adoption of OSI practices to continue to meet the social mission, creating innovative projects or finding new ways to do the same things.

The study is based on a single case study.

The paper contributes insights into the literature on OSI, examining how inbound and outbound OSI mechanisms can modify business models and increase the adaptation capacity of food banks and their effectiveness. In addition, it provides a rich context in which the social value drivers provided by OSI are studied.

This paper applies the OSI to a food bank to evaluate what this action mode produces for the food bank during a health crisis. Specifically, this is the first paper that studies the COVID-19 crisis response of a food bank from the OSI perspective, focusing on the inbound and outbound OSI processes that characterized the entire network of relationships.

This paper aims to critically reflect on the formation of the International Sustainability Standards Board (ISSB), its current agenda and likely future direction. The authors consider the relationships between the ISSB and other standard setters, regulators, practitioners and stakeholders, and develop a comprehensive research agenda.

The authors review and critically analyse academic and practitioner publications alongside the ISSB’s workplans to identify the themes impacting the future of the ISSB and to develop a research agenda.

Three key themes emerge from the authors’ analysis that are likely to influence the future of the ISSB: the jurisdiction and scope of the ISSB – how far its influence is likely to extend, both geographically and conceptually; the ongoing legitimacy challenge the ISSB is facing in terms of setting an agenda for sustainability reporting; and the “capture” of sustainability reporting by influential stakeholders including capital providers.

The formation of the ISSB is critical to the future of sustainability reporting. The authors provide a comprehensive and topical overview of the past, present and potential future of the ISSB, highlighting the need for further research and providing a research agenda that addresses outstanding questions in the field.