The role of non-use value appears to be important, especially for the case that non-use values influence the results for different levels of competitiveness in the output market of oligopoly.

• 其中，非使用价值所扮演的角色是重要的，特别是当非使用价值的多寡会影响到寡占市场中不同厂商间的竞争程度。