A correlation between two variables implies that:
A) there is a cause-effect relationship between the two variables.
B) it is impossible to measure one variable without measuring the other.
C) there is a mutual relationship between both the variables.
D) when one variable changes, the other variable always changes by exactly the same amount.
C
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Which of the following is true? a. Price leadership is a form of explicit collusion
b. Price leadership is more likely when there are a substantial number of roughly equally sized firms in oligopoly. c. A price leader is most likely to be a dominant firm in an industry. d. None of the above is true.
Which of the following will shift the demand curve for milk?
a. change in the income of buyers of milk b. change in the price of milk c. change in input prices for milk d. All of the above are correct.