What is the difference between options in the marketplace and in the public sector? Multiple choice question. The marketplace requires consumers to seek information about products before making a purchase, whereas voters can decide with no prior knowledge. The marketplace can satisfy preferences exactly, while the public sector requires choosing a candidate who is not always an exact fit. The marketplace offers only a limited number of choices, while the public sector offers an unlimited number of viable candidates. The marketplace only imposes costs, while the public sector only provides benefits