quality changes. In this study, matched model price indices are constructed using monthly scanner data on prices and unit …

The use of multilateral indexes is increasingly an accepted approach for incorporating scanner data in a Consumer Price …

A wide variety of retailers (supermarkets, home electronics, Internet shops, etc.) provide scanner data containing … information at the level of the barcode, e.g. the Global Trade Item Number (GTIN). As scanner data provide complete transaction … bias and substitution bias. Multilateral index methods seem to be the best choice due to the dynamic character of scanner …