Most businesses advertise their products and services. Some business use SPAM emails to advertise because the cost of a mass e-mail is close to zero. Other business spend millions of dollars to advertise in a 30-second spot during the Super Bowl. Having observed this real world data, economists argue that the amount of money that a business spends on advertising is a proxy for a good or service's a. size.
b. quality.
c. newness.
d. cost of production.

Stormie zanzibar owns a bakery in the fictitious country of olombia. each month the government’s market ministry mails her a large list of the regulated price of goods which include products like bread, muffins and flat bread. the list also dictates the types of goods she can sell at the bakery and what she is to charge. because of the regulations placed on these goods, stormie has increased her production of sweets, pies, cakes, croissants and buns and decreased her supply of breads, muffins and flat bread. she has taken these steps because the sweet goods’ prices are not government controlled. stormie zanzibar lives under what type of economy?