An evaluation apparatus for display arbitration control or a generation apparatus for a rule definition file includes a model generation portion that models the display arbitration control and generates a rule-based arbitration specification model that includes a content definition that defines a content, an area definition that defines a display area, and a constraint expression that shows a constraint related to display of the content; and a rule definition file generation portion that generates the rule definition file for software that is installed in a product and is related to the display arbitration control.