13. 14. 15. 16. 17. 18. 19. 20. 21. 22. If the demand curve shifts outward to the right and the supply curve remains the same, equilibrium price will fall. A decrease in the price of DVD players will increase demand for movies on DVDs. Demand curves can be affected by the prices of related goods. If the price of hamburger rises, we would expect the demand for steak to shift to the right. Cost-reducing technological advancements allow suppliers to earn more profits but have no noticeable effect on the supply curve. An increase in real consumer income will shift both the supply and demand curves. Rent controls encourage investment in housing because they bring stability to the market. Price ceilings are designed to protect sellers, while price oors are designed to protect buyers. If aggregate demand keeps shifting rightward month after month and aggregate supply remains constant, the economy will experience a recession. Gross Domestic Product represents the money value of all final goods and services produced in the domestic economy within the year