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The purpose of the model is to explore the influence of two circular business models (CBMs),
i.e. Circular Waste Management and Waste-as-byproduct, and its design options (consisting of design
variables) on CBM viability in case of Industrial Symbiosis Networks (ISNs). CBM viability is expressed
as supplier and processor cashflows in the ISNs and the survival rate of the ISN. Moderating variables
are environment and agent behaviour factors. The main performance indicators for viability of CBMs are
 the ISN survival rate (number of runs with surviving ISNs / number of total runs) and  the average
The purpose of the model is to explore the influence of actor behaviour, combined with environment and business model design, on the survival rates of Industrial Symbiosis Networks (ISN), and the cash flows of the agents. We define an ISN to be robust, when it is able to run for 10 years, without falling apart due to leaving agents.
The model simulates the implementation of local waste exchange collaborations for compost production, through the ISN implementation stages of awareness, planning, negotiation, implementation, and evaluation.
One central firm plays the role of waste processor in a local composting initiative. This firm negotiates with other firms to become a supplier of their organic residual streams. The waste suppliers in the model can decide to join the initiative, or to have the waste brought to the external waste incinerator. The focal point of the model are the company-level interactions during the implementation or ending of synergies.