This study constructs a multidimensional index to measure the digital application level of rural households based on micro-survey data and empirically investigates the economic returns and mechanism of its effects. The results reveal that for every 1% increase in the digital application level of...

Assessing the medical quality of hospitals based on control charts has received lots of attention. However, existing control charts produce delay and false alarms when applying to semi-competing risk data, which widely exist in biomedical and clinical fields. Some studies have suggested that...

Under the background of trade liberalization and new urbanization, it is of great significance to study how city opening leads to wage premium and improve income distribution. This paper examines the relationship between trade liberalization, city size and urban wage premium using micro data...