Sue is in biology class. Her professor explains a theory that she does not understand. The professor asks if there are any questions, and no one raises their hand. Sue is reluctant to raise her hand because she feels uncomfortable. This is an example of the .
A. Rational choice theory.
B. Status inconstancy principle.
C. Rationalization principle.
D. Social construction of reality.

answer; (d) none of the above;

changes in factors like average income and preferences can cause an entire demand curve to shift right or left. this causes a higher or lower quantity to be demanded at a given price. demand curves relate the prices and quantities demanded assuming no other factors change. it is important for consumers to know this information, because it is crucial for them to know what they can afford and can't afford. i hope this .