An increase in the average price level of an economy will result in an upward shift of the aggregate expenditure function

What is the payoff for each firm in this one-shot game?

a. Both firms will earn 0 b. Firm A will earn 50 and firm B will earn -10 c. Firm A will earn -10 and firm B will earn 50 d. Both firms will earn 25

When practicing price discrimination, a firm can increase its revenue by:

a. charging a higher price to the customers with a more inelastic demand. b. charging a higher price to the customers with a perfectly elastic demand. c. supplying more in a market with a more inelastic demand. d. supplying less in a market with lower elasticity of demand. e. charging a lower price in a market dominated by wealthy consumers.