The demand for good X has been estimated to be lnQXd = 0 – 2.5 lnPX + 4 lnPY + lnM . The advertising elasticity of good X is
Note
The demand for good X has been estimated to be lnQXd = 0 - 2.5 lnPX + 4 lnPY + lnM. The advertising elasticity of good X is 0.0.