If the dependent variable Y is directly related to the independent variable X, this means that changes in X cause changes in Y.
a. True
b. False
QUESTION 2Suppose y is measured on the vertical axis, x is on the horizontal axis, and the various combinations of x and y are shown by a nonvertical straight line. Which of the following must be true?
a. There is a negative relation between x and y.
b. There is a positive relation between x and y.
c. There is a causal relation between x and y.
d. If the value of x is known, the value of y can be determined.
e. The value of y is independent of the value of x.
QUESTION 3If x causes y, then
a. x and y are inversely related
b. y is a dependent variable
c. other variables don't matter
d. y must, in turn, cause x
e. x and y are always in a direct relation to each other
QUESTION 4If a given value of x is associated with a particular value of y,
a. then x causes y
b. then y causes x
c. then x and y must be logically connected
d. there are no other variables that affect the value of y
e. there may be no causal relationship between x and y
QUESTION 5On a graph with x on the horizontal axis and y on the vertical axis, the origin is
a. the point where x = 0 and y = 0
b. any point where x = 0
c. any point where y = 0
d. where a curve intersects the vertical axis
e. where a curve intersects the horizontal axis
QUESTION 6A good economic theory brings clarity to chaos.
a. True
b. False
QUESTION 7Which of the following would be a topic considered in the field of macroeconomics?
a. Studying the amazing recent growth of the Chinese economy.
b. Studying the movement of US manufacturing firms to China.
c. Studying the differences in wages between menand women in the United States.
d. Studying the effect of rent controls on the housing market in New York City.
e. Studying the impact of environmental regulations on the well-being of human populations.
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