This research was conducted to determine the effect structure of capital on firm value by using firm size moderation, a case study to pharmaceutical sector section companies on the Indonesian stock exchange for time span 2018 to 2023. Data processing using moderated regression analysis (MRA), and analysis regression. The study found that structure of capital, as measured by DER (Debt to Equity Ratio), has a positive and significant effect on firm value, as measured by PBV. Company size moderates the effect of capital structure on company value. The results also show that firm size, when interacting with capital structure, moderates the effect of capital structure on firm value.
Romli et al. (Wed,) studied this question.