refer to the following:
The estimated demand for a good is

where Q is the quantity demanded of the good, P is the price of the good, M is income, and is the price of related good R.
-This good and good R are
A) complements since the coefficient on M is negative.
B) substitutes since the coefficient on M is negative.
C) complements since the coefficient on Is negative.
D) substitutes since the coefficient on Is negative.
E) none of the above

Question

refer to the following:
The estimated demand for a good is
  
where Q is the quantity demanded of the good, P is the price of the good, M is income, and  is the price of related good R.
-This good and good R are
A) complements since the coefficient on M is negative. 
B) substitutes since the coefficient on M is negative. 
C) complements since the coefficient on Is negative. 
D) substitutes since the coefficient on Is negative. 
E) none of the above

Quizplus · Accepted Answer

The Answer of refer to the following:
The estimated demand for a good is
  
where Q is the quantity demanded of the good, P is the price of the good, M is income, and  is the price of related good R.
-This good and good R are
A) complements since the coefficient on M is negative. 
B) substitutes since the coefficient on M is negative. 
C) complements since the coefficient on Is negative. 
D) substitutes since the coefficient on Is negative. 
E) none of the above

Refer to the Following