Government intervention in agricultural markets in the U.S. began in the

During the past quarter of a century, which of the following has contributed to the economic growth of China?

a. agricultural reforms adopted in the late 1970s b. low taxes and deregulation in the special economic zones that were established during the 1980s c. the relaxation of restraints on foreign trade and joint ventures d. all of the above

A higher price reduces the quantity of a product demanded because

A. the purchasing power of individuals increases. B. individuals will buy more of the product and less of its substitutes. C. the financial assets of individuals increase. D. individuals will buy less of the product and more of its substitutes.