This business model development support device is characterized by being provided with: a storage unit which stores display data-related information which includes information for displaying, on multiple screens having different viewpoints of transactions, the stakeholders and the transactions in question between the stakeholders; and a control unit which displays on the multiple screens at least some of the transactions in question and the stakeholders on the basis of the display data-related information, receives updates to the display data-related information by the user, and, on the basis of the updated display data-related information, displays on the multiple screens at least some of the transactions in question and stakeholders.
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