This paper re-examines the classic demographic or real model, essentially based on a Malthusian-Ricardian model, that the late Michael Postan (Cambridge) utilized to explain the behaviour of the later-medieval western European economy, and in particular the behaviour of price movements. In...

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)....