Louise works 46 hours a week at $12 an hour. if her wage increases to $18.50: the substitution

Louise works 46 hours a week at $12 an hour. if her wage increases to $18.50: the substitution effect implies that she will work less. if leisure is a normal good, the income effect implies that she will work less. if leisure is a normal good, the income effect will reinforce the substitution effect, and she will work less. her marginal product of labor has decreased.