Impact of Macroeconomic Uncertainty on Investment Decisions: Evidence from Emerging Markets
DOI:
https://doi.org/10.70670/sra.v4i2.2249Keywords:
Macroeconomic Uncertainty; Investment Decisions; Emerging Markets; Real Options; Financial Constraints; Panel Data; Institutional Quality.Abstract
This paper investigates the impact of macroeconomic uncertainty on corporate investment decisions in emerging markets (EMs), where volatile inflation, exchange rates, interest rates, and policy frameworks create a high‑uncertainty environment. Using a panel dataset of 1,432 non‑financial firms across six major emerging economies—Brazil, India, Indonesia, Mexico, South Africa, and Turkey—over the period 2004–2025, we construct a composite, time‑varying, country‑specific uncertainty index based on GARCH‑estimated conditional volatilities of four key macroeconomic variables. Employing firm‑ and year‑fixed effects panel regressions and system GMM estimation to address endogeneity, we find that a one‑standard‑deviation increase in macroeconomic uncertainty reduces the firm‑level investment rate by 1.28 percentage points, representing a 20.6% decline relative to the sample mean—approximately three times larger than typical estimates from developed economies. Heterogeneity analysis reveals that financially constrained firms (small, highly levered, or non‑dividend payers) suffer two to three times larger investment declines than unconstrained firms, supporting the financial frictions channel. Firms in manufacturing sectors with high investment irreversibility exhibit significantly greater sensitivity than service firms, consistent with real options theory. Furthermore, strong institutional quality (rule of law, corruption control) attenuates the negative effect by nearly half. Results are robust to alternative uncertainty measures, exclusion of crisis years, lead dependent variables, and instrumental variable strategies. The extended period captures major events including the 2008 global financial crisis, the 2013 taper tantrum, the 2020 COVID‑19 pandemic, the 2022‑2024 global inflationary surge, and the 2024‑2025 monetary policy tightening cycles—all of which provide additional identifying variation. Our findings imply that reducing macroeconomic volatility and strengthening financial systems are direct policy levers for promoting private investment in emerging markets. This study provides the most comprehensive multi‑country firm‑level evidence to date on the uncertainty‑investment nexus in EMs over a 22‑year horizon.
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