Digitalization of Industry and income gap within the industry in China from 2007 to 2023

This paper selects Chinese A-share listed companies from 2007 to 2023 and data are aggregated based on the secondary indicators of industry codes as classified by the China Association of Listed Companies. The primary data sources were the CSMAR and Wind databases.

本文选取2007年至2023年的中国A股上市公司作为研究样本，相关数据均按照中国上市公司协会（China Association of Listed Companies）所分类的行业代码的二级指标完成聚合处理。本研究的原始数据主要来源于国泰安（CSMAR）数据库与万得（Wind）数据库。