Which of the following concepts is not demonstrated by the production possibilities frontier?

Question 1 options:

a. Economic growth.

b. Opportunity cost.

c. The trade-off between unemployment and inflation.

d. Efficiency.

Which of the following will lead to an increase in the demand for concert tickets?

Question 18 options:

Increase in the price of a gasoline, which is a complement good

Reduction in income (assuming that concert tickets are a normal good)

Increase in the price of music downloads, which is a substitute good

Increase in the price of the concert tickets

An increase in the price of an input used to make a good will...

Question 21 options:

a. decrease the good's supply.

b. increase the good's supply.

c. decrease the good's demand.

d. increase the good's demand.

Suppose a 10-percent increase in price leads to a 15-percent reduction in quantity demanded. The own-price elasticity demand is:

Question 22 options:

1.5

0.67

.15

.10