Y / W, and KE follows from {LE, YR and the production function}, and PK follows from {KE and KE = (1 -
) Y / (i PK)}.
[74] For example as follows. Regard LE =
Y / W of above. Substitute Y = P YR, and rework: P = (W LE) / (
YR) =
W if labour and output are proportional.