Tang Yue, a 27-year-old teacher from the city of Guilin, China, steam-presses a blue dress and takes dozens of photographs before picking one to clinch her 200th online sale.

For a growing number of Chinese like Tang, hit by job losses, furloughs and salary cuts, the consumer economy has begun to spin in reverse. They are no longer buying — they are selling.

Instead of emerging from the coronavirus epidemic and returning to the shopping habits that helped drive the world's second-largest economy, many young people are offloading possessions and embracing a newfound ethic for hard times: less is more.