Diewert, W.Erwin; Lippe, Peter von der - In: Jahrbücher für Nationalökonomie und Statistik 230 (2010) 6, pp. 690-708
Summary It is often the case that the value of a number of somewhat similar units (e. g., automobiles of a certain general type) is divided by the number of units in order to form a unit value price and these unit value prices are compared over two periods in order to form a unit value price...