【題目】 What would happen to the equilibrium price and quantity of coffee if the wages of coffee-bean pickers fell and the price of tea fell? Price will fall and the effect on quantity is ambiguous. Price will rise and the effect on quantity is ambiguous. Quantity will rise and the effect on price is ambiguous. Quantity will fall and the effect on price is ambiguous.
【題目】 Suppose the demand for gourmet coffee can be represented by a linear demand curve. When income rises cause the demand curve for gourmet coffee shift to the right parallelly: becomes more elastic at the price that prevailed before the change in income becomes less elastic at the price that prevailed before the change in income becomes more elastic at every price becomes less elastic at every price