determinants of demand

change in consumer tastes

newspaper headline: "New Superfood: Doctors report corn has more health benefits than kale."

change in no. of buyers

many immigrants come to the United States from Central and South America.

change in income

as the economy booms, households have higher incomes.

change in price of substitute goods

the price of rice, a substitute for corn, increases.

change in price of complementary goods

the price of butter, a complement to corn, decreases.

change in future price expectations

rumors of poor corn harvests lead consumers to expect higher corn prices in the future.