Linked from
The 11 pages that link to Real wage, each with the reason it gives.
Labor productivityRelated: Long-run wage growth is often compared with labor productivity growth.
WagesCompared with: It distinguishes purchasing power from the amount paid in currency.
Price indexRelated: Deflating nominal wages by a price index estimates purchasing power.
Purchasing powerBroader topic: It measures how much a worker's pay can actually buy.
Price RevolutionRelated: Prices often rose faster than earnings, reducing workers' purchasing power.