This paper considers what role in-home barcode scanner data could play in collecting household expenditure information … Worldpanel scanner data. We find that levels of spending are significantly lower in scanner data. A large part (but not all) of … the gap is explained by weeks in which no spending at all is recorded in scanner data. Demographic differences between the …

We used scanner data to test whether two competitive commodities respond symmetrically by volume to price changes. Our … substitution effect in ARDL asymmetric modelling as scanner data permits, showing that most previous asymmetric models using this …