2026-10-13T02:40:20Z https://www.scidb.cn/oai

10.57760/sciencedb.j00289.00374 2026-07-01T18:25:30Z

2026-07-01 The Impact of Digital Business Portfolio Diversity on Firm’s Innovation Performance doi:10.57760/sciencedb.j00289.00374 en This appendix presents some tables that were not included in the main text due to space limitations, including descriptive statistics (Table 1), correlation analysis (Table 2), regression analysis results after orthogonalization treatment (Table 3), alternative measurements (Table 4), and endogeneity test (Table 5). digital transformation; digital business portfolio; innovation performance; absorption capacity perspective; institutional environment; artificial intelligence wang kun Zhao Mengli Liu Jinxin PUBLIC https://creativecommons.org/licenses/by/4.0/ dataset Science Data Bank