In the Log-Log Model, the Slope Coefficient Indicates A $X$ Has On

Short Answer

In the log-log model, the slope coefficient indicates a. the effect that a unit change in $X$ has on $Y$ .
b. the elasticity of $Y$ with respect to $X$ .
c. $\Delta Y / \Delta X$ .
d. $\frac { \Delta Y } { \Delta X } \times \frac { Y } { X }$ .