The slope of this line is 4.

Question

.
Suppose that the P
in this equation refers to the price of a magazine subscription, and the Q
refers to the number of magazine subscriptions sold. Read the following statement carefully: “When the price of a magazine subscription goes up, fewer people subscribe to the magazine.”
Which of the following best summarizes the pattern of causality suggested by this statement?
A change in Q
causes a change in P
.
A change in P
causes a change in Q
.
The relationship between P
and Q is not a causal relationship.

Answer 1

The statement "When the price of a magazine subscription goes up, fewer people subscribe to the magazine" implies that changes in price (P) lead to changes in the quantity of subscriptions sold (Q). This indicates a causal relationship where the price affects the quantity sold.

Therefore, the best summary of the pattern of causality suggested by the statement is:

A change in P causes a change in Q.