Final answer:
The change model that illustrates how a change can have a cascading effect throughout an organization is known as the Domino model.
Step-by-step explanation:
The change model based on the idea that any change has a cascading effect throughout a firm is called the c) Domino model. This model suggests that when one change occurs, it triggers a series of subsequent changes, just like knocking over the first domino in a series causes all the following ones to fall down. This concept can be applied within a business context, where a change in one department or policy can lead to a series of changes throughout the entire organization.