NO.PZ2023010401000033
问题如下：
Which characteristic is a firm least likely to exhibit when it operates in a market with a downward sloping demand curve, many competitors, and zero economic profits in the long run?选项：
A.Differentiated product B.Low barriers to entry C.No pricing power解释：
The characteristics of monopolistic competition include a large number of competitors, low pricing power, and the production of differentiated products (through advertising and other non-price strategies), but these still result in some pricing power. The ease of entry results in zero economic profits in the long run.为什么不是a
