Economic and political uncertainty and firm-level stock returns in Vietnam: The moderating role of leverage

Thanh Huu Phu Nguyen () and Ho Hoang Gia Bao ()

The Economics and Finance Letters, 2025, vol. 12, issue 1, 143-157

Abstract: This study examines the impact of economic and political uncertainty on firm-level stock returns in Vietnam and explores the moderating role of financial leverage. Using a dynamic panel dataset of 380 Vietnamese listed firms, the study employs the System Generalized Method of Moments (SGMM) to address endogeneity concerns. The findings reveal a significant negative relationship between uncertainty, measured by the World Uncertainty Index (WUI), and annual stock returns. However, firms with higher leverage experience a weaker negative effect, indicating that financial leverage serves as a buffer against uncertainty-driven stock fluctuations. Other firm-specific characteristics, including firm size, liquidity, and state ownership, do not exhibit consistent moderating effects. These results highlight the importance of capital structure in mitigating the adverse effects of uncertainty on stock market performance. The study provides practical implications for investors, policymakers, and corporate managers, suggesting that leverage can be strategically managed to reduce vulnerability to economic and political uncertainty. Investors should consider firms' leverage when making decisions during volatile periods, while policymakers can implement measures to support financial stability in uncertain environments. Corporate managers may leverage financial strategies to enhance firms' resilience to uncertainty.

Keywords: Emerging market; Firm-level analysis; Leverage; Stock return; Vietnam; World uncertainty index. (search for similar items in EconPapers)
Date: 2025
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