When Plotting Log Wages (Y-Axis) Against Years of Schooling (X-Axis)

Multiple Choice

When plotting log wages (y-axis) against years of schooling (x-axis) , the slope of the regression line indicates

A) the average wage.
B) the average logged wage.
C) the average years of schooling.
D) the economic return to each additional year of schooling measured in dollars.
E) the economic return to each additional year of schooling measured in percentage terms.