Richard Friberg, Frode Steen, Simen Ulsaker, 02 July 2019

Consumers often travel to neighbouring countries to shop at cheaper prices. This column uses sales data from a Norwegian grocery chain to examine how cross-border shopping into Sweden responds to changes in relative prices. It shows that the response to price changes is highest at some distance from the border, where consumers respond by reconsidering whether or not to travel abroad for their shopping.

Howard Smith, Øyvind Thomassen, 24 July 2017

Many consumers buy multiple types of goods from a single location (or firm) to save on shopping costs, turning these goods into pricing complements. Using data from the UK, this column shows that the internalisation of these complementary effects by supermarkets greatly improves the competitiveness of grocery supply. It also argues that one-stop shoppers have a greater pro-competitive impact on supermarket pricing than multi-stop shoppers.

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