Price Elasticity of Demand Help

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SUMMARY

The discussion focuses on calculating the price elasticity of demand using the formulas provided: q = (39/3.6)^2/3 and p = (39/(3.6^3/2). The user consistently arrives at an elasticity value of 1.5, but this is incorrect due to the lack of a defined demand function in relation to price. To accurately compute the price elasticity, the demand must be expressed as a function of price, which was not provided in the original problem statement.

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jweber
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q= (39/3.6)^2/3

p=(39/(3.6^3/2)

Find price elasticity of demand when p=$3.6. I already substituted the 3.6 in there.

I keep getting 1.5 but its saying it wrong please solve and help.
 
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Could you post the complete problem statement?

you know that elasticity is defined as a logarithmic derivative

\epsilon = \frac{\partial \ln y}{\partial \ln x}
 
Last edited:
jweber said:
q= (39/3.6)^2/3

p=(39/(3.6^3/2)

Find price elasticity of demand when p=$3.6. I already substituted the 3.6 in there.
By "already substituting the 3.6 in there", you have made it impossible to answer. We need to know the demand as a function of the proce.

I keep getting 1.5 but its saying it wrong please solve and help.
 

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