In monopolistically competitive markets, positive economic profits
a. suggest that some existing firms will exit the market.
b. suggest that new firms will enter the market.
c. are sustained through government-imposed barriers to entry.
d. are never possible.

You invest all the money you earned during your summer sales job (a total of $45,000) into the stock of a company that produces fat and carb-free cheetos. the company stock is expected to earn a 14% annual return; however, 5 years later it is only worth $20,000. turns out there wasn't as much demand for fat and carb-free cheetos as you had hoped. what is the annual rate of return on your investment?

Amano s preguntes cationing to come fonds and consumer good 8. why did the u.s. government use rationing for some foods and consumer goods during world war ii?

Banana computers has decided to procure processing chips required for its laptops from external suppliers instead of manufacturing them in their own facilities. how will this decision affect the firm? a. the firm will be protected against the principal-agent problem. b. the firm's administrative costs will be low because of necessary bureaucracy. c. the firm will have more flexibility in purchasing and comparing prices of goods and services. d. the firm will have high-powered incentives, such as hourly wages and salaries.