Based on the matching data in the China Customs, Chinese industrial enterprises, and patent databases, this study uses the propensity score matching method (PSM) and the double difference model (DID) to study the impact of Internet use on enterprise innovation. The results show that Internet use...

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...

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...