【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?
Quantity will fall and the effect on price is ambiguous.
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.
Answer: Price will fall and the effect on quantity is ambiguous.