A change in a person's money income changes real income and therefore changes the slope of the person's budget line

Which of the following best describes supply-side economics?

A) Education affects the incentive to work, save, and invest and, therefore, aggregate supply. B) Tax rates, particularly marginal tax rates, affect the incentive to work, save, and invest and, therefore, aggregate supply. C) Labor productivity affects aggregate supply. D) Education affects labor productivity which affects aggregate supply.

The environmental problems of China:

a. were caused by a lack of central planning in the economy. b. were caused by the burning of low-quality, high-sulfur coal. c. were caused by a lack of pollution controls. d. All of the above are correct.