... products. Design/methodology/approach The authors use the principal component analysis method to evaluate the level of China’s urban digital economy, and spatial metrology to measure the spatial effects of the digital economy on product quality. Findings The findings suggest that the urban digital...

...Huijun Hou; Xiaoying Cheng Purpose The purpose of this paper is to study the effects of the requirement on product quality and refund (return service charge). Design/methodology/approach The authors set a minimum product quality level for platform to study the effects of the minimum product...