12. The marginal productivity theory
Complete the following statement about the marginal productivity theory.
For a firm that is a factor price taker,MFC=PMFC=P , And firms hire the factor quantity at whichMRP=MFCMRP=MFC . Thus, it follows thatW=MRPW=MRP .
Suppose that Felix works for Sunny Sky Co, a perfectly competitive firm producing solar lights. Felix was paid $3,000 but found a better job and quit Sunny Sky. Since nothing else changed, Sunny Sky’s total revenuefalls by $3,000 .