The traditional and almost universal method of expressing real wages is by index numbers, according to the formula: RWI = NWI/CPI: i.e., the real wage is the quotient of the nominal (money) wage index divided by the consumer price index, all employing a common base period (here: 1451-75 = 100)....

In a path-breaking but largely overlooked study, published in a festchrift thirty years ago (1975), Herman Van der Wee provided a comparison of prices and real wages of building craftsmen in the regions of Antwerp and south-eastern England, from 1400 to 1700. To do so, he constructed a composite...