【单选题】General Snacks is a typical firm in a market characterized by the model of monopolistic competition. Initially, the market is initially in long-run equilibrium, and then there is an increase in the ma...
A.
in the long run, new firms will enter the market.
B.
there will be a short-run increase in the number of firms, but in the long run the number of firms will return to the original level.
C.
firms will leave the market in the long run.
D.
firms will shut down, but they will not leave the industry in the long run.