Good X is a normal good and its demand is given by Qxd = ?0 + ?XPX + ?YPY + ?MM + ?HH. Then we know that

Economists assume that people are motivated by

A) a desire to please others. B) the interests of the community at large. C) self-interest. D) morally correct behavior.

One way to avoid counting the prices of intermediate goods multiple times in computing the value of GDP is to:

A. sum the value added of only producers of final goods and services. B. sum the value added of producers of both intermediate and final goods and services. C. sum the value added of only producers of intermediate goods and services. D. subtract the value added of producers of intermediate goods and services from the value added of producers of final goods and services.