If I told you that income elasticity in the market for hybrid cars is positive, you would know that:
Athere are many substitutes for hybrid cars.
Bthere are few substitutes for hybrid cars.
Chybrid cars are a normal good.
Dhybrid cars are an inferior good.
Athere are many substitutes for hybrid cars.
Bthere are few substitutes for hybrid cars.
Chybrid cars are a normal good.
Dhybrid cars are an inferior good.