A profit-maximizing firm in a monopolistically competitive market can earn positive, negative, or zero profits in the short run

The distribution of income among African-American families is more even than it is for the population as a whole

a. True b. False

Budget constraints exist for consumers because

a. their utility from consuming goods eventually reaches a maximum level b. even with unlimited incomes, they have to pay for each good they consume c. they have to pay for goods and they have limited incomes d. prices and income are inversely related e. demand curves for goods generally slope downward