When the real wage is above the level that equilibrates supply and demand, then the quantity of labour supplied:

Retailers often do not find it profitable to engage in promotional activities because

a. They cannot reap the full benefits of the promotion b. They have to share the benefits of the promotion with the manufacturer c. They are wary of competing retailers' ability to "free ride" on their efforts d. All of the above

Incomes policies of the federal government include:

a. presidential jawboning. b. wage-price guidelines. c. wage-price controls. d. All of these.