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PhD in Business and Management - Digital Material/product passport in circular supply chains

   Cardiff Business School

  Prof Yingli Wang  Friday, March 31, 2023  Self-Funded PhD Students Only

About the Project

Digital Material/product passport in circular supply chains

A Digital Product Passport (DPP) as envisaged in the EU’s European Green Deal and Circular Economy Action Plan is a great opportunity to modernise product information throughout the entire value chain. DPPs could be a big step forward for more sustainable products and consumption, boosting energy and resource efficiency by enabling new business models based on e.g. digital data sharing (Gotz et al. 2022).

Recently EU's Sustainable Products Initiative (SPI) builds on the 2020 Circular Economy Action Plan and proposes a regulation that would oblige manufacturers to introduce DPPs, as part of general ecodesign requirements for certain products. Yet there remains a number of important questions to be answered. What is the value of a DPP for different supply chain stakeholders, who should provide data and how they should be incentivised to do so, who owns the data and how sensitive data should be protected, who should access to what kind of data in a DPP, what are the implications of DPP on circular supply chain performance? This PhD research sets out to explore those important questions. 


  • Previous experience with and/or willingness to carry out Mixed-methods Research is desirable.
  • Knowledge in supply chain, circular economy and/or digital technology would be preferrable. 
  • Experience in using SPSS, NVivo type of softwares would be an advantage.   
  • Self-driven, good communication and time management skills, good academic writing skills


Applications are invited from exceptional candidates with a first class or strong upper second class honours degree, or appropriate Master’s degree. The University values diversity and equality at all levels and we encourage applications from all sections of the community, irrespective of age, disability, sex, gender identity, marital or civil partnership status, pregnancy or maternity, race, religion or belief and sexual orientation. In line with our commitment to supporting and promoting equality, diversity and inclusion, and to increase recruitment of currently underrepresented groups, applications from Black British, Asian British, minority ethnicity British and mixed race British candidates are particularly encouraged and welcomed. Study is available as either ‘1+3’ (i.e. one full time year of research training Masters followed by three years of full-time Doctoral study), or ‘+3’ (i.e. three years of full-time doctoral study), depending on the needs of the applicant.

Please visit here for further information about the PhD Programme at Cardiff Business School.

Please see references section for further details on how to apply. Applications should be made online, please visit the Business School website and click "apply now" Business Studies - Study - Cardiff University

Funding Notes

This project is not funded, applications from self-funded home and international students are welcome. Outstanding applicants from ANY country may be considered for one of the available University scholarships. The start date is 1st October 2023.
Applications are open until 31st March 2023, however if sufficient applications are received we reserve the right to close the application early.
For more information about scholarships, entry requirements and application process please visit our website


When applying, please specify the project title and supervisor of this project and whether you are self-funded or are applying for funding (within or external to the University).
The application must contain the following documents:
1. Covering letter: The covering letter must name the project being applied for and should be addressed to the supervisor. It must set out your reasons and motivation for applying to study at Cardiff University; your understanding, and expectations of doctoral study; and your academic interests generally, and particularly how these relate to the description of the project supplied. The covering letter should be no more than two pages.
2. Academic / Professional Qualifications: Where appropriate, this should also include proof of English Language Competency (6.5 IELTS minimum).
3. References: All applications require two academic references to be submitted in support. Candidates must approach referees themselves and include the references with their application.
4. Curriculum Vitae: This should be no longer than two pages.
5. Research Proposal: The proposal should build directly on the project description that has been supplied. The proposal should be up to a maximum of 1000 words, not including bibliographic references. We suggest that you use the following five headings in your research proposal:
• Your reflections on the title, aims and purpose of the research;
• An overview of some key research literature relevant to the study;
• Your proposals for developing the design and methods of the study;
• A description of potential outcomes of the project for understanding, knowledge, policy and practice (as appropriate to the topic);
• Bibliographic references
This program is available in English only. To request information in Welsh, please contact the Postgraduate Recruitment Team (

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