Sustainable Smart PSS: A Causal Logic Framework for Impact Design

Why It Matters

This research provides a framework for designers and businesses to move beyond simply adopting 'smart' technologies and instead intentionally design for positive environmental and social outcomes. It highlights that technological advancement alone doesn't guarantee sustainability, emphasizing the need for a deliberate causal logic in PSS development.

Key Finding

Sustainable smart product-service systems need a clear framework that maps how design choices lead to positive environmental and social outcomes, recognizing that multiple factors influence these results.

Key Findings

• A three-step causal logic framework (design, causation, impact) is essential for understanding sustainable smart PSS.
• 17 specific mechanisms (information, resource, empowerment, adverse) link design choices to sustainability impacts in smart PSS.
• The concept of 'multi-causal pathway' acknowledges the non-linear and complex nature of sustainability impacts.

Research Evidence

Aim: To develop a causal logic framework for designing sustainable smart product-service systems (PSS) that effectively links design characteristics to measurable sustainability impacts.

Method: Systematic Literature Review and Framework Development

Procedure: The researchers developed a three-step causal logic framework (design, causation, impact) and identified business model properties as design characteristics and impacts based on the triple bottom line. They then conducted a systematic literature review of 63 publications to identify 17 specific mechanisms linking design and impact, categorizing them into information, resource, empowerment, and adverse mechanisms. A morphological box was developed as a toolkit for managers.

Context: Product-Service Systems (PSS), Smart Technologies, Sustainability

Design Principle

Design for demonstrable sustainability impact by clearly articulating and validating the causal logic between system design and desired outcomes.

How to Apply

Use the identified mechanisms and the causal logic framework to map out the potential sustainability impacts of a new smart PSS design, and use the morphological box to explore different combinations of mechanisms.

Limitations

The framework is conceptual and relies on existing literature; empirical validation of the identified mechanisms in diverse contexts may be needed. The 'adverse mechanisms' require careful consideration to ensure they are minimized or mitigated.

Student Guide (IB Design Technology)

Simple Explanation: To make smart products and services truly good for the planet and people, you need to plan how your design choices will actually lead to those good results, like a chain reaction.

Why This Matters: Understanding the causal links helps ensure that your design project doesn't just use technology, but actively contributes to a more sustainable future.

Critical Thinking: How can the 'adverse mechanisms' identified in this research be proactively designed out of smart PSS, rather than just mitigated?

IA-Ready Paragraph: The development of sustainable smart product-service systems requires a deliberate approach to impact design, as outlined by Ries et al. (2023). Their causal logic framework, encompassing design, causation, and impact, emphasizes the need to explicitly map how design characteristics translate into tangible environmental and social benefits. By identifying key mechanisms such as information, resource, and empowerment pathways, designers can proactively engineer systems that foster desired sustainability effects while mitigating adverse outcomes, moving beyond mere technological adoption to intentional impact creation.

Project Tips

• When designing a smart product-service system, think about the 'why' behind your design decisions in terms of sustainability.
• Consider how information, resources, and user empowerment can be leveraged through your design to achieve positive impacts.

How to Use in IA

• Reference this framework to justify design choices aimed at specific sustainability outcomes, explaining the intended causal pathways.

Examiner Tips

• Demonstrate a clear understanding of how design choices translate into real-world sustainability impacts, not just theoretical benefits.

Independent Variable: Design characteristics of smart PSS (e.g., business model properties, technological features)

Dependent Variable: Sustainability impacts (environmental, social, economic)

Controlled Variables: Mechanisms linking design to impact (information, resource, empowerment, adverse)

Strengths

• Provides a structured, theory-based approach to impact design for smart PSS.
• Identifies specific mechanisms that can guide design decisions.

Critical Questions

• To what extent can the identified mechanisms be universally applied across different types of smart PSS?
• How can the 'causation' phase be empirically validated within a design project?

Extended Essay Application

• Investigate the causal logic of an existing smart PSS to assess its actual sustainability impact, comparing it to the framework's predictions.
• Develop a novel smart PSS concept and use the framework to design its impact logic, including a plan for measuring key sustainability indicators.

Source

Sustainable smart product-service systems: a causal logic framework for impact design · Journal of Business Economics · 2023 · 10.1007/s11573-023-01154-8