The recession may be over in the United States, but the values that emerged during it appear to be staying put — and the sharing economy is giving new weight to the axiom “less is more.” 78% of consumers we surveyed agreed that the sharing economy reduces clutter and waste — millennials and households with kids most strongly agreed. These attitudes are a growing threat to a retail industry that is struggling to buoy its numbers — in December 2014, waning holiday sales led consumer purchases to decline 0.9%,