Table A3.

Shopping costs (in-store/online).

basket size	levels (in-store/online)
	($\mu -10\%$)	$\mu$	($\mu +10\%$)
small [CHF]	36 / 32	40 / 36	44 / 40
medium [CHF]	72 / 65	80 / 72	88 / 79
large [CHF]	108 / 97	120 / 108	132 / 119