Specify those markets which may NOT be examples of perfect competition. Bbi6epute onuH OTBeT: a. Fish markets b. Agricultural products markets c. the stock market (sale of securities) d. Railroads, subways

The correct answer is d. Railroads, subways.<br /><br />Railroads and subways are typically not examples of perfect competition because they are often operated by a limited number of firms or government entities, leading to monopolistic or oligopolistic market structures.