If All the Firms Producing a Good in an Industry

Multiple Choice

If all the firms producing a good in an industry have market shares that are in significant,that is, close to zero percent of industry sales,

A) they shut down, that is, go out of business in the long run
B) their output levels are close to zero as well
C) they are in a perfectly competitive market
D) profit is at best zero because cost must be at least greater than zero
E) they should advertise