Consider the indifference curve map and budget constraint for two goods, beef and potatoes. Suppose the good on the horizontal axis, potatoes, is a Giffen good. Beef is measured on the vertical axis and is a normal good. When the price of potatoes increases, the substitution effect causes an increase in the consumption of potatoes, and the income effect causes a decrease in the consumption of potatoes. The substitution effect is less than the income effect. the substitution effect causes a decrease in the consumption of potatoes, and the income effect causes an increase in the consumption of potatoes. The substitution effect is greater than the income effect. the substitution effect causes an increase in the consumption of potatoes, and the income effect causes a decrease in the consumption of potatoes. The substitution effect is greater than the income effect. the substitution effect causes a decrease in the consumption of potatoes, and the income effect causes an increase in the consumption of potatoes. The substitution effect is less than the income effect
