For most goods, purchases tend to rise with increases in buyers' incomes and to fall with decreases in buyers' incomes. Such goods are known as:

Price leadership is a form of explicit collusion where one firm in an oligopoly announces a price change and expects all other firms to follow suit

Indicate whether the statement is true or false

The majority of Americans at the end of the colonial period were of

(a) French origin. (b) British origin. (c) German origin. (d) Dutch origin.