This study examines the effects of green investment and green strategy on firm value among companies included in the LQ45 index and listed on the Indonesia Stock Exchange. Using a quantitative approach and secondary data, this study analyzes the extent to which environmentally oriented corporate practices influence market valuation. The findings indicate that green strategy has a positive and statistically significant effect on firm value, suggesting that a clear and consistent environmental orientation can strengthen investor confidence and enhance corporate reputation. In contrast, green investment has a positive but statistically insignificant effect on firm value, suggesting that its benefits may take longer to materialize or may depend on more transparent disclosure practices to be recognized by the market. Overall, these findings highlight the importance of integrating strategic sustainability initiatives into corporate decision-making to support long-term value creation and improve market perceptions in the context of sustainable finance.
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