Revisiting ESG and Investment Efficiency: A Conceptual Framework for Sustainable Capital Allocation

• Sophia L. Turner

  Author

 The growing prominence of Environmental, Social, and Governance (ESG) considerations has fundamentally reshaped corporate decision-making and capital allocation processes. While an extensive body of empirical research examines the relationship between ESG performance and firm outcomes, limited attention has been given to developing a coherent theoretical framework that explains how ESG influences corporate investment efficiency. This study addresses this gap by proposing a unified conceptual framework that integrates insights from agency theory, stakeholder theory, and institutional theory to analyze the mechanisms linking ESG performance to investment efficiency. The analysis identifies several key channels through which ESG may affect corporate investment decisions, including the reduction of information asymmetry, the alleviation of financing constraints, the enhancement of governance structures, and the improvement of risk management. At the same time, the study highlights the potential for ESG to generate inefficient investment when driven by managerial opportunism, reputational concerns, or symbolic compliance. Furthermore, the framework emphasizes the role of institutional environments and firm-specific characteristics in moderating the ESG–investment efficiency relationship, suggesting that the effects of ESG are context-dependent rather than universally beneficial. By synthesizing fragmented strands of literature, this paper contributes to the growing field of sustainable finance by providing a theoretically grounded perspective on ESG and capital allocation. The proposed framework offers important implications for managers, investors, and policymakers, and establishes a foundation for future empirical research examining the conditions under which ESG enhances or hinders corporate investment efficiency.

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