Professor Helen Walker

Adrannau llyfrau

• Walker, H. L., Alexander, A. and Touboulic, A. 2013. An overview of sustainable public procurement research. In: Balancing Social, Environmental and Economic Considerations in Procurement. Supplement to the Annual Statistical Report on United Nations Procurement Vol. 2012. United Nations, pp. 8-14.
• Schneller, E., Harland, C., Walker, H. L. and Forrest, S. 2013. Systems of exchange: cooperative purchasing in the UK and US health sectors. In: Harland, C., Nassimbeni, G. and Schneller, E. eds. The SAGE Handbook of Strategic Supply Management. SAGE Publications, pp. 214-238.

Cynadleddau

• Strand, V., Lotfi, M., Flynn, A. and Walker, H. 2024. Tackling modern slavery in supply chains through B2N collaborations. Presented at: POMS 2023: Production and Operations Management Society International Conference, Paris, France, 18-20 July 2023.
• Strand, V., Lotfi, M., Flynn, A. and Walker, H. 2022. A systematic literature review of modern slavery risk management in the global supply chains: State of the art and research opportunities. Presented at: IPSERA 2022 Conference, Jönköping, Sweden, 10 -13 April 2022.
• Pettit, S., Abouarghoub, W., Harris, I., Walker, H. and Veskova, B. 2018. Theoretical developments in humanitarian aid supply chain management. Presented at: 9th European Decision Science Institute Conference, Udine, Italy, 3-6 June 2018.
• Alexander, A. E. and Walker, H. 2016. Symbolic or substantive claims: an analysis of planetary boundary impacts from tracing supply chains of UK based companies. Presented at: Euroma Sustainable Operations and Supply Chain Forum, Lancaster UK, 11-12 April 2016Euroma Sustainable Operations and Supply Chain Forum.
• Alexander, A. E. and Walker, H. L. 2016. Decision making in sustainable supply chain management: cross-sector case studies of implementation. Presented at: IPSERA 2016, Dortmund, Germany, 20-24 March 2016IPSERA 2016 Proceedings. Dortmund, Germany:
• Lu, H., Potter, A. T., Sanchez Rodrigues, V. and Walker, H. L. 2015. Informal relationships and their impacts on supply chain management. Presented at: 20th International Symposium on Logistics, Bologna, Italy, 5-8 July 2015Proceedings of the 20th International Symposium on Logistics, Bologna, 5th - 8th July. pp. 195-202.
• Wontner, K., Walker, H. L., Harris, I. and Lynch, J. 2015. Barriers and enablers to "living wage" in public sector contracts. Presented at: 24th Annual IPSERA Conference, Amsterdam, The Netherlands, 30 March - 2 April 2015.
• Alexander, A., Touboulic, A. and Walker, H. L. 2014. Making sense of SSCM: How companies express sustainable supply chain management issues in their public reports. Presented at: 1st Euroma Sustainability Forum, Groningen, The Netherlands, 24-25 March 2014.
• Alexander, A. and Walker, H. L. 2013. Sustainable supply chain management: achieving optimal performance and outcomes. Presented at: 20th EurOMA Conference 2013, Dublin, Ireland, 7-12 June 2013.
• Alexander, A. and Walker, H. L. 2013. Sustainable supply chain management and decision making: A literature review of decision analysis, stakeholders and systems theory. Presented at: IPSERA2013, Nantes, France, 24-27 March 2013.
• Touboulic, A. and Walker, H. L. 2012. Action research in sustainable SCM. Presented at: Academy of Management Conference, Boston, MA, USA, 3-7 August 2012.
• Nordigården, D., Rehme, J., Walker, H. L. and Bregge, S. 2012. Outsourcing strategies – combining outsourcing with in-house production. Presented at: IPSERA Conference, Naples, Italy, 1-4 April 2012.
• Touboulic, A., Chicksand, D. and Walker, H. L. 2012. Power in sustainable supply chain management. Presented at: IPSERA Conference, Naples, Italy, 1-4 April 2012.
• Brandon-Jones, E., Brandon-Jones, A. and Walker, H. L. 2011. Sustainable services: A conceptual framework. Presented at: 18th International Annual EurOMA Conference: Exploring Interfaces, Cambridge, UK, 3-6 July 2011.
• Walker, H. L., Brandon-Jones, E. and Brandon-Jones, A. 2011. Exploring service sustainability. Presented at: 22nd Annual POMS Conference, Reno, Nevada, USA, 29 April - 2 May 2011.
• Touboulic, A., Walker, H. L., Barlow, J. and Pettigrew, M. 2011. Theoretical perspectives on sustainable supply chain management: A review of the literature. Presented at: 20th Annual IPSERA Conference 2011, Maastricht, the Netherlands, 10-13 April 2011.
• Walker, H. L., Brandon-Jones, A. and Brandon-Jones, E. 2011. Exploring service sustainability. Presented at: EUROMA Conference, Cambridge, UK, 3-6 July 2011.
• Walker, H. L., Chicksand, D., Radnor, Z. J. and Johnston, R. 2010. Theoretical perspectives in operations management: an analysis of the literature. Presented at: 17th International Annual EurOMA Conference, Porto, Portugal, 6-9 June 2010.
• Walker, H. L. and Walley, P. 2010. Sustainability as a sixth performance. Presented at: 17th International Annual EurOMA Conference, Porto, Portugal, 6-9 June 2010.
• Walley, P. and Walker, H. L. 2010. Sustainability as a sixth performance. Presented at: 17th International Annual EurOMA Conference, Porto, Portugal, 6-9 June 2010.
• Chicksand, D., Walker, H. L., Radnor, Z. J. and Johnston, R. 2010. Theoretical perspectives in supply chain management. Presented at: 19th Annual IPSERA Conference, Lappeenranta, Finland, 16–19 May, 2010.
• Chicksand, D., Watson, G., Walker, H. L., Radnor, Z. J., Johnston, B. and Liyange, K. 2010. Theoretical perspectives in purchasing and supply: An analysis of the literature. Presented at: 19th Annual IPSERA Conference: Supply Management - Missing Link in Strategic Management?, Lappeenranta, Finland, 6-19 May 2010.
• Walker, H. L. 2009. Sustainable procurement: An analysis of constructs in the literature. Presented at: 16th International Annual EurOMA Conference, Gothenburg, Sweden, 14-17 June 2009.
• Walker, H. L. and Bakker, E. 2009. Collaborative procurement across the UK public sector. Presented at: 18th Annual IPSERA Conference, Wiesbaden, Germany, 5- 8 April 2009.
• Hampson, J., MacKenzie, N. and Walker, H. L. 2009. Case studies in sustainable and responsible procurement. Presented at: 18th IPSERA Conference Supply Management – Towards an Academic Discipline?, Wiesbaden, Germany, 5 – 8 April 2009Proceedings of the 18th IPSERA Conference: Supply Management – Towards an Academic Discipline?, Wiesbaden, Germany, 5–8 April 2009. International Purchasing and Supply Education and Research Association (IPSERA) pp. 1112-1123.
• Walker, H. L. and Bakker, E. 2009. Collaborative procurement: A relational view across the UK public sector. Presented at: 18th IPSERA Conference: Supply Management – Towards an Academic Discipline?, Wiesbaden, Germany, 5–8 April 2009Proceedings of the 18th IPSERA Conference: Supply Management – Towards an Academic Discipline?, Wiesbaden, Germany, 5–8 April 2009. International Purchasing and Supply Education and Research Association (IPSERA) pp. 757-772.
• Walker, H. L. 2009. Sustainable procurement: a literature review. Presented at: 18th IPSERA Conference: Supply Management – Towards an Academic Discipline?, Wiesbaden, Germany, 5–8 April 2009Proceedings of the 18th IPSERA Conference: Supply Management – Towards an Academic Discipline?, Wiesbaden, Germany, 5–8 April 2009. International Purchasing and Supply Education and Research Association (IPSERA) pp. 742-756.
• Walker, H. L. and Brammer, S. 2008. Sustainable procurement and management commitment. Presented at: 14th Annual International Sustainable Development Research Conference, New Delhi, India, 21-23 September 2008.
• Walker, H. L., Knight, L. and Gough, S. 2008. Sustainable procurement and learning. Presented at: 3rd International Public Procurement Conference, Amsterdam, Netherlands, 28-30 August 2008.
• Walker, H. L. and Brammer, S. 2008. Sustainable e-procurement: An international study. Presented at: 17th Annual IPSERA Conference, Perth, Australia, 9-12 March 2008.
• Walker, H. L., Harland, C. and Warrington, J. 2008. Commissioning and procurement. Presented at: Third International Public Procurement Conference, Amsterdam, Netherlands, 28-30 August 2008.
• Chicksand, D., Kumar, N., Rehme, J. and Walker, H. L. 2001. Global sourcing: implications for purchasing and logistics – a research synthesis. Presented at: Global Sourcing Workshop, Courchevel, France, 14-17 March 2011.

Erthyglau

• Alexander, A., Kumar, M., Walker, H. and Gosling, J. 2024. Innovation for zero-deforestation sustainable supply chain management services: a performance measurement and management approach. Supply Chain Management (10.1108/SCM-02-2023-0088)
• Alexander, A., Walker, H. and Delabre, I. 2022. A decision theory perspective on wicked problems, SDGs and stakeholders: the case of deforestation. Journal of Business Ethics 180, pp. 975-995. (10.1007/s10551-022-05198-8)
• Moretto, A., Patrucco, A. S., Walker, H. and Ronchi, S. 2022. Procurement organisation in project-based setting: a multiple case study of engineer-to-order companies. Production Planning and Control 33(9-10), pp. 847-862. (10.1080/09537287.2020.1837938)
• Lotfi, M., Walker, H. and Rendon-Sanchez, J. 2021. Supply chains’ failure in workers’ rights with regards to the SDG compass: a doughnut theory perspective. Sustainability 13, article number: 12526. (10.3390/su132212526)
• Flynn, A. and Walker, H. 2020. Corporate responses to modern slavery risks: An institutional theory perspective. European Business Review 33(2), pp. 295-315. (10.1108/EBR-05-2019-0092)
• Wontner, K. L., Walker, H., Harris, I. and Lynch, J. 2020. Maximising “community benefits” in public procurement: tensions and trade-offs. International Journal of Operations and Production Management 40(12), pp. 1909-1939. (10.1108/IJOPM-05-2019-0395)
• Patrucco, A. S., Walker, H., Luzzini, D. and Ronchi, S. 2019. Which shape fits best? Designing the organizational form of local government procurement. Journal of Purchasing and Supply Management 25(3), article number: 100504. (10.1016/j.pursup.2018.06.003)
• Alexander, A., Kumar, M. and Walker, H. 2018. A decision theory perspective on complexity in performance measurement and management. International Journal of Operations and Production Management 38(11), pp. 2214-2244. (10.1108/IJOPM-10-2016-0632)
• Lu, H., Potter, A. T., Sanchez Rodrigues, V. and Walker, H. L. 2018. Exploring sustainable supply chain management: A social network perspective. Supply Chain Management 23(4), pp. 257-277. (10.1108/SCM-11-2016-0408)
• Meehan, J., Touboulic, A. and Walker, H. 2016. Time to get real: The case for critical action research in purchasing and supply management. Journal of Purchasing and Supply Management 22(4), pp. 255-257. (10.1016/j.pursup.2016.08.006)
• Touboulic, A. and Walker, H. 2016. A relational, transformative and engaged approach to sustainable supply chain management: the potential of action research. Human Relations 69(2), pp. 301-343. (10.1177/0018726715583364)
• Touboulic, A. and Walker, H. L. 2015. Love me, love me not: A nuanced view on collaboration in sustainable supply chains. Journal of Purchasing & Supply Management 21(3), pp. 178-191. (10.1016/j.pursup.2015.05.001)
• Walker, H., Chicksand, D., Radnor, Z. and Watson, G. 2015. Theoretical perspectives in operations management: an analysis of the literature. International Journal of Operations and Production Management 35(8), pp. 1182-1206. (10.1108/IJOPM-02-2014-0089)
• Touboulic, A. and Walker, H. L. 2015. Theories in sustainable supply chain management: a structured literature review. International Journal of Physical Distribution & Logistics Management 45(1/2), pp. 16-42.
• Walker, H. L. 2015. New development: Public procurement research at IPSERA: aligning research and practice, and future trends. Public Money and Management 35(2), pp. 141-144. (10.1080/09540962.2015.1007710)
• Alexander, A., Walker, H. L. and Naim, M. M. 2014. Decision theory in sustainable supply chain management: a literature review. Supply Chain Management 19(5/6), pp. 504-522. (10.1108/SCM-01-2014-0007)
• Touboulic, A., Chicksand, D. and Walker, H. 2014. Managing imbalanced supply chain relationships for sustainability: A power perspective. Decision Sciences 45(4), pp. 577-619. (10.1111/deci.12087)
• Nordigarden, D., Rehme, J., Brege, S., Chicksand, D. and Walker, H. 2014. Outsourcing decisions - the case of parallel production. International Journal of Operations and Production Management 34(8), pp. 974-1002. (10.1108/IJOPM-06-2012-0230)
• Walker, H., Seuring, S., Sarkis, J. and Klassesn, R. 2014. Sustainable operations management: recent trends and future directions [Editorial]. International Journal of Operations and Production Management 34(5) (10.1108/IJOPM-12-2013-0557)
• Walker, H. L., Schotanus, F., Bakker, E. and Harland, C. 2013. Collaborative procurement: a relational view of buyer-buyer relationships. Public Administration Review 73(4), pp. 588-598. (10.1111/puar.12048)
• Walker, H. L. and Brammer, S. 2012. The relationship between sustainable procurement and e-procurement in the public sector. International Journal of Production Economics 140(1), pp. 256-268. (10.1016/j.ijpe.2012.01.008)
• Chicksand, D., Watson, G., Walker, H. L., Radnor, Z. J. and Johnston, R. 2012. Theoretical perspectives in purchasing and supply chain management: an analysis of the literature. Supply Chain Management: an International Journal 17(4), pp. 454 -472. (10.1108/13598541211246611)
• Walker, H. L. and Jones, N. 2012. Sustainable supply chain management across the UK private sector. Supply Chain Management 17(1), pp. 15-28. (10.1108/13598541211212177)
• Brammer, S. and Walker, H. L. 2011. Sustainable procurement in the public sector: an international comparative study. International Journal of Operations & Production Management 31(4), pp. 452-476. (10.1108/01443571111119551)
• Preuss, L. and Walker, H. L. 2011. Psychological barriers in the road to sustainability: evidence from public sector procurement. Public Administration 89(2), pp. 493-521. (10.1111/j.1467-9299.2010.01893.x)
• Schotanus, F., Bakker, E., Walker, H. L. and Essig, M. 2011. Development of purchasing groups during their life cycle: from infancy to maturity. Public Administration Review 71(2), pp. 265-275. (10.1111/j.1540-6210.2011.02337.x)
• Walker, H. L. and Phillips, W. 2009. Sustainable procurement: emerging issues. International Journal of Procurement Management 2(1), pp. 41-61. (10.1504/IJPM.2009.021729)
• Walker, H. L., Bakker, E., Schotanus, F. and Harland, C. 2008. Choosing an organisational form: the case of collaborative procurement initiatives. International Journal of Procurement Management 1(3), pp. 297-317. (10.1504/IJPM.2008.017527)
• Walker, H. L., Di Sisto, L. and McBain, D. 2008. Drivers and barriers to environmental supply chain management practices: lessons from the public and private sectors. Journal of Purchasing and Supply Management 14(1), pp. 69-85. (10.1016/j.pursup.2008.01.007)
• Walker, H. L. and Harland, C. 2008. E-procurement in the United Nations: influences, issues and impact. International Journal of Operations & Production Management 28(9), pp. 831-857. (10.1108/01443570810895276)
• Walker, H. L. and Preuss, L. 2008. Fostering sustainability through sourcing from small businesses: public sector perspectives. Journal of Cleaner Production 16(15), pp. 1600-1609. (10.1016/j.jclepro.2008.04.014)
• Walker, H. L., Gough, S., Bakker, E. F., Knight, L. A. and McBain, D. 2008. Greening operations management: an online sustainable procurement course for practitioners.. Journal of Management Education 33(3), pp. 348-371. (10.1177/1052562908323190)
• Walker, H. L., Harland, C., Knight, L., Uden, C. and Forrest, S. 2008. Reflections on longitudinal action research with the English National Health Service. Journal of Purchasing and Supply Management 14(2), pp. 136-145. (10.1016/j.pursup.2008.02.003)

• Walker, H. L., Alexander, A. and Touboulic, A. 2013. An overview of sustainable public procurement research. In: Balancing Social, Environmental and Economic Considerations in Procurement. Supplement to the Annual Statistical Report on United Nations Procurement Vol. 2012. United Nations, pp. 8-14.
• Walker, H. L., Schotanus, F., Bakker, E. and Harland, C. 2013. Collaborative procurement: a relational view of buyer-buyer relationships. Public Administration Review 73(4), pp. 588-598. (10.1111/puar.12048)
• Walker, H. L. and Brammer, S. 2012. The relationship between sustainable procurement and e-procurement in the public sector. International Journal of Production Economics 140(1), pp. 256-268. (10.1016/j.ijpe.2012.01.008)
• Chicksand, D., Watson, G., Walker, H. L., Radnor, Z. J. and Johnston, R. 2012. Theoretical perspectives in purchasing and supply chain management: an analysis of the literature. Supply Chain Management: an International Journal 17(4), pp. 454 -472. (10.1108/13598541211246611)
• Walker, H. L. and Jones, N. 2012. Sustainable supply chain management across the UK private sector. Supply Chain Management 17(1), pp. 15-28. (10.1108/13598541211212177)
• Brammer, S. and Walker, H. L. 2011. Sustainable procurement in the public sector: an international comparative study. International Journal of Operations & Production Management 31(4), pp. 452-476. (10.1108/01443571111119551)
• Preuss, L. and Walker, H. L. 2011. Psychological barriers in the road to sustainability: evidence from public sector procurement. Public Administration 89(2), pp. 493-521. (10.1111/j.1467-9299.2010.01893.x)
• Schotanus, F., Bakker, E., Walker, H. L. and Essig, M. 2011. Development of purchasing groups during their life cycle: from infancy to maturity. Public Administration Review 71(2), pp. 265-275. (10.1111/j.1540-6210.2011.02337.x)
• Walker, H. L., Di Sisto, L. and McBain, D. 2008. Drivers and barriers to environmental supply chain management practices: lessons from the public and private sectors. Journal of Purchasing and Supply Management 14(1), pp. 69-85. (10.1016/j.pursup.2008.01.007)
• Walker, H. L. and Harland, C. 2008. E-procurement in the United Nations: influences, issues and impact. International Journal of Operations & Production Management 28(9), pp. 831-857. (10.1108/01443570810895276)