When the survivorship method of cost estimating is used, an increase, over time, in the
proportion of industry product produced by medium size firms indicates the existence
of
A) continuing economies of scale.
B) continuing diseconomies of scale.
C) a U-shaped long-run average cost curve.
D) large technological changes.
In economic theory, if an additional worker adds less to the total output than previous
workers hired, it is because
A) there may be less that this person can do, given the fixed capacity of the firm.
B) he/she is less skilled than the previously hired workers.
C) everyone is getting in each other’s way.
D) the firm is experiencing diminishing returns to scale.
Which of the following statements is false?
A) An increase in demand causes equilibrium price and quantity to rise.
B) A decrease in demand causes equilibrium price and quantity to fall.
C) An increase in supply causes equilibrium price to fall and quantity to rise.
D) A decrease in supply causes equilibrium price to rise and quantity to rise.