Business models for sustainability (BMfS) are relevant topics on research agendas, given their orientation toward sustainability issues. However, traditional versions of these models are often ill-equipped at solving complex social problems. Cross-sector partnerships for sustainability (CSPfS) have been recognized as a new paradigm that mitigates the failure of traditional models. Impact investing, and social impact bonds (SIBs) in particular, represent an interesting field of research in innovative business models for sustainable finance, even though the literature does not consider SIBs within this broader field. We propose an exploratory study based on qualitative methods aimed at conceptualizing SIBs within the framework of BMfS and understanding how SIB collaboration varies across social sectors and geographical areas. Our study identifies three different models of SIBs characterized by the different degrees of collaboration between actors: (i) SIB as a fully collaborative partnership; (ii) SIB as a low-collaborative partnership; and (iii) SIB as a partially collaborative partnership. Our findings are useful to policy makers and practitioners involved in the SIB design, suggesting that a fully collaborative SIB model may stand a better chance of achieving the expected social impacts.

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The 2030 Agenda for Sustainable Development brought the critical challenge of how private capital can support its new goals—the Sustainable Development Goals (SDGs)—to the attention of finance, business and policy actors. Impact finance instruments, which aim to obtain both financial and positive social/environmental returns simultaneously, can serve as effective institutional mechanisms to support the financing of SDGs. Social impact bonds (SIBs) are part of this emerging field. SIBs represent multi-stakeholder partnerships, built on outcome-based contracts, designed to harness private impact-oriented investors, service providers and public entities to address social or environmental problems. SDG 17 considers partnerships priority instruments for the achievement of SDs targets. This paper provides an exploratory analysis into the field of Social Impact Bonds and aims to (i) understand how such instruments are suitable for involving sustainable economy actors in SDG-based partnerships; (ii) determine the interplay between SIBs and SDGs. In order to address these questions, the article presents a multiple case study that includes a cross case analysis of four SIBs experienced in different social policy areas and different countries. As secondary step, the study matches phases and activities of SDG-based financial partnerships derived from a literature review with those experienced by each SIB case study. The results show that SIBs are fully compliant with SDG-based financial partnership structures derived from the literature, and their architecture reveals a high degree of SDG investment readiness. The originality of the research consists of including SIBs in the analysis of the new financial tools for the achievement of the SDGs, and extending them into the field of partnerships for the Goals, at the center of SDG 17. The paper fills the significant gap in the current research related to the issues of financing sustainable development and financial sector instruments on sustainability.

In the last year, COVID-19 has tested both advanced and developing economies. Within such a context, the global learning crisis is expected to increase due to difficulties in accessing technology or in receiving learning support. Such a huge need, globally identified with the Sustainable Development Goal number 4 (hereafter SDG 4), implies the need for large-scale solutions from governments around the world, especially in terms of dedicated financial resources. In this context, the impact-investing sector offers an innovative financial tool, i.e., impact bonds (IBs), which are widely applied in the education sector, even if their limitations and potentials remain unexplored in academia. Based on these considerations, our work explores whether and how IBs can contribute to funding and improving educational outcomes, with a focus on their potentials in the post-COVID world. This study adopts a qualitative approach by performing a case study analysis of four IBs. Our pilot analysis is based on the following key dimensions: (i) partnerships and contractual arrangements; (ii) financial terms; and (iii) measurement and impact. The results offer interesting insights by deriving a preliminary model on the role of IBs in the post-COVID-19 world.