Which is the best question to ask when deciding whether to lease or buy a car?
how much will i use the car?
how long do i want the car?
how much do i want to spend?
how much do i like the car's options?

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?