“…In the field study (a real setting), we find that (3) shoppers pay greater attention to the right-most and the left-most digits, than to the middle digits: they are 19%-29% more likely to correctly notice a price change if the change occurs in the leftmost or the right-most digit, relative to a change in a middle digit. (4) Shoppers are 11% less 1 Asymmetric price adjustment has been documented for consumer products (Anderson et al 2015, McShane et al 2016, processed food (Chen et al 2008, Ray et al 2006), manufacturing (Blinder et al 1998, deposit interest rate (Hannan and Berger 1991), gasoline (Davis and Hamilton 2004), foreign exchange (Gopinath and Itskhoki 2010), and fruits/vegetables (Ward 1982), in the US, Canada, and European Union (Hall et al 2000, Álvarez et al 2006, Amirault et al 2004, Levy and Smets 2010. 2 These include menu cost with inflation (Tsiddon 1993, Ball andMankiw 1994), with asymmetric shocks (Ball and Mankiw 1995), and with channels of processing (Ray et al 2006), fair pricing (Rotemberg 2005, Anderson and Simester 2010, Chen et al 2018, consumer inattention (Chen et al 2008), and inventories and capacity constraints (Loy et al 2016, Antoniou et al 2017.…”