Economists use the to refer to the positive gains enjoyed by both buyers and sellers when they trade
a) "trade creates wealth"
b) "there is no free lunch"
c) "wealth creates trade"
d) "every man for himself"

Which of the following best explains how the invention of money affected the barter system? a. the invention of money supplemented the barter system by providing a nonperishable medium of exchange b. the invention of money completely replaced the barter system with a free-market system c. the invention of money had no effect on the barter system d. the invention of money drastically reduced the value of goods used in the barter system 2b2t

Which statement about the cost of the options is true? she would save $1,000 by choosing option b. she would save $5,650 by choosing option a. she would save $11,200 by choosing option b. she would save $11,300 by choosing option a.

From a business perspective, an information system provides a solution to a problem or challenge facing a firm and represents a combination of management, organization, and technology elements. the organization's hierarchy, functional specialties, business processes, culture, and political interest groups are components of which element of information systems?