How do price changes drive markets toward equilibrium? . a. they set new price floors and ceilings.. b. they increase or decrease supply or demand.. c. they ensure that prices are fair.. d. they prevent inflation or deflation.

By 2020, automobile market analysts expect that the demand for electric autos will increase as buyers become more familiar with the technology. however, the costs of producing electric autos may increase because of higher costs for inputs (e. g., rare earth elements), or they may decrease as the manufacturers learn better assembly methods (i. e., learning by doing). what is the expected impact of these changes on the equilibrium price and quantity for electric autos?