Theses and Dissertations

Date of Award


Document Type


Degree Name

Doctor of Philosophy (PhD)



First Advisor

Dr. Hale Kaynak

Second Advisor

Dr. Sibin Wu

Third Advisor

Dr. Wanrong Hou


A growing stream in circular economy (CE) research is about circular economy business models (CEBM). It suggests how firms could learn to adopt unique material and product designs, newer business models, value chain networks and potential enablers that satisfies CE ideologies about economic, environment, and society. However, the understanding about how firms could integrate CEBM practices at internal, supply chain, and external levels is limited. Given the rising complexities in supply chains, the goal of this dissertation is to: (a) understand the landscape of CE concepts within the supply chain management context, and consequently (b) comprehend how firms’ preparedness about their internal, end-to-end supply chains and external environment, help them in pursuing business models that are guided by CE principles.

In this dissertation, the first study provides an inclusive understanding of CE in a supply chain management context using bibliometric-network analysis. One key insight suggests CEBM is a promising theme within CE but remains unexplored in supply chain context. Using contingency theory lens, the second study identifies factors related to a focal firm’s CEBM practice as the response, its contingencies as context, its supply chain preparedness as output, and its CEBM performance as a consequent outcome. Using multi-industry multi-tier supply chain case-study method, the study explores how "supply chain preparedness" is related to CEBM practices and CEBM performance, and the factors upon which this relationship is contingent. A set of propositions and a contingency research framework is proposed. The research implications shall benefit scholars of transdisciplinary interests and serve as a guiding tool for practitioners and consultants presently acting upon CEBM implementation in their supply chain systems.


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