The circular economy (CE) can be a driver for sustainability and CE can be promoted and supported by the creation of new and innovative business models, which embed CE principles into their value propositions throughout the value chains. This study focuses on the environmental value propositions of the CE business models. The term environmental value proposition refers here to an absolute value being a promise of environmental improvement, which a company provides to the environment by its impacts throughout the whole value chain. The aim of this study is to outline a framework for evaluating the environmental value propositions of CE business models. The framework consists of an environmental value propositions table (EVPT) and a step-by-step approach towards an evaluation process. The framework was tested in three CE business model cases. The outlined framework enables a better understanding of circular economy principles, combining them with the environmental value proposition. With the framework, companies can plan and design new CE business models or they can verify intended environmental benefits and analyse their contribution to sustainability. The biggest challenges, when applying the framework, were related to the estimation of environmental benefits gained from the environmental value propositions at the system level. In the future, intensive scientific work should concentrate on developing environmental assessment methods specifically for companies developing new CE business models.

PurposeThe study develops a structure for procurement digitalisation by identifying its context drivers, technology interventions and performance-inducing mechanisms and exploring the linkages between these variables.Design/methodology/approachThe study draws on rich interview and workshop data on 48 digital intervention projects, as reflected by mental models of managers from 12 case organisations in manufacturing, retail and service sectors. Supported by an a priori structure, the study employs an abductive cross-case analysis approach.FindingsResults suggest several categories within the elements of context, intervention and mechanism to structure procurement digitalisation and the linkages between them. Seven propositions that reflect digitalisation strategy options in procurement are developed regarding the linkages. Internal complexity dominantly drives procurement digitalisation, motivating communication support and process structuring interventions, which in turn aim at procurement coordination and control as well as process improvement. External coercive pressure and external dynamism also drive interventions for information processing and decision aiding, which appear to be linked with supply market knowledge, strategic alignment and supplier capability assessment. Therefore, an internal–external dichotomy is observed as the main thrust of procurement digitalisation.Practical implicationsThe study supports decision makers in developing digitalisation strategy options for different procurement contexts. The results also raise awareness of a possible bias in existing strategies for procurement digitalisation.Originality/valueA novel forward-looking approach is employed to enable the design and construction of systems that do not yet exist by focusing on the mental models of managers in a systematic way.

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