Data set of the influence of digital technology innovation on the market value of manufacturing enterprises from 2009 to 2021

This dataset consists of research data and digital technology keywords used for text filtering in the study on the impact of digital technology innovation on the market value of manufacturing enterprises. This article selects manufacturing companies listed on the A-share market from 2009 to 2021 as the research object, and removes samples according to the following rules: (1) samples subject to special treatment (including ST, * ST, and PT categories); (2) Samples of IPO less than one year ago and delisting; (3) A sample with negative owner's equity. After sorting, a total of 15342 sample observations were obtained for the company year.