I Gede Abdi Pustaka et al. 2026. The Effect of Investment Decisions and Dividend Policy on Firm Value: The Mediating Role of Profitability in LQ45 Companies During the 2023–2025 Period. Digital Innovation : International Journal of Management. 3, 3 (Jul. 2026), 51–63. DOI:https://doi.org/10.61132/digitalinnovation.v3i3.728.