What would be the output combination for two products A and B on the production possibility frontier, if a country uses its entire resources for producing A?

Which of the following would lead to an increase in aggregate demand?

a. an increase in consumer confidence b. a decrease in the overall price level c. an increase in input prices d. all of the above

The marginal rate of substitution is equal to the

a. slope of the indifference curve. b. ratio of the prices of the two goods. c. slope of the budget constraint. d. All of the above are correct.