In: Economics
Consider the constant-elasticity demand function Q = p−ε, where ε > 0.
Solve for the inverse demand function p(Q).
Calculate the demand price elasticity.
Show that p(Q)/MR(Q) is independent of the output level Q. (Hint: Use the relationship between marginal revenue and the elasticity of demand.)
The demand function is given as 
 .
The inverse demand function would be as 
 or 
 or 
 or 
 or 
 .
The demand price elasticity would be 
 or 
 or 
 or 
 or 
 or 
 or 
 .
The TR would be as 
 or 
 or 
 , and hence MR would be 
 or 
 or 
 or 
 . Thus, 
 or 
 or 
 , which is not a function of Q, and hence is independent of Q.