Customer service and quality gained the upper hand over low pricing, and Waitrose and Sainsbury's emerged as the preferable destination for the growing middle-class segment.

BBC: Tesco profits fall as supermarket pulls out of US

But fees at most universities cluster at the upper end, irrespective of quality.

ECONOMIST: Chile

He soon developed a knack for buying cheap, fixer-upper cable systems, raising quality and prices and plowing the cash flow into more acquisitions.

FORBES: "We're On A Collision Course"

In theory, the presence of upper-income dwellers breeds quality schools, which can serve the middle- and lower-income children in the region.

FORBES: Urban Housing Policy As School Reform

Argo is a global fleet of 3000 data collection ships that collect high-quality temperature and salinity profiles from the upper 2000m of the ice-free global ocean.

UNESCO: Intergovernmental Oceanographic Commission (IOC)

Labour former defence minister Lord Gilbert warned about the quality of members who would be attracted to an elected upper House.

BBC: Lords reform debate: part three

In China, the brand has positioned itself as a destination for the upper middle class, where the consumers can get a high quality coffee experience.

FORBES: Starbucks Is Finally Coming To India... Cautiously