for shops I think mid-market (luxury/up-market or high end and discount/bargain either side) for shops selling at mid-range prices

extract from this 1st link
"He talked of a "slight polarisation" between shops offering value and those that offer better quality, adding: "There's room for everyone."

While mid-market names such as New Look still dominate shopping centres, budget fashion retailers Peacocks and H&M are now among the top 10 fastest-growing stores. Poundland comes top, with 56% growth in tenancies in malls, followed by sandwich chain Subway, while bakers Greggs, known for its bacon butties, and Card Factory are also in the top 10. Similarly, Shoe Zone, the budget footwear chain, and Wilkinson, the discount household retailer, are enjoying rapid growth in shopping centres.

The more upmarket Costa Coffee is also on the rise, however. The research shows that ..."

www.guardian.co.uk/business/2011/.../discounters-take-over-... - Cached

www.diyweek.net/news/news.asp?id=13110 - Cached
9 Mar 2010 – Poundland founder to launch mid-market chain. Poundland co-founder Dave Dodd says eight new Hub stores will open in the first year, ...

www.eurekaencyclopedia.com/index.php/Category:Chain_Stores - Cached
Jump to Middle Market Chains‎: Target Middle market chain stores regarded as having the most fashionable merchandise among the discounters, ...

www.findouter.com › Oceania › Australia › Shopping - Cached
Mid-market department store chain with 283 Target & Target Country stores across ... bed linen, electrical appliances, toys, games, entertainment etc; ...





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Note added at 1 day1 hr (2011-07-03 20:55:01 GMT) Post-grading
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glad to help:-)