<![CDATA[Background: Investment decisions are shaped not only by expected demand but by the confidence managers have in the path of inflation, interest rates, exchange rates and policy. The same macro shock can produce very different responses across regions because local institutions and project characteristics change how uncertainty is absorbed. Aims: This article examines the mechanisms that connect the topic to organizational or policy performance and identifies the conditions that make those mechanisms stronger or weaker. Research Method: A structured narrative review integrates peer-reviewed research with authoritative policy, statistical, and professional sources, including BPS (2026); IMF (2026). Sources are coded by outcome, mechanism, boundary condition, and practical implication. Results and Conclusion: The synthesis indicates that outcomes are heterogeneous. Treating volatility as a purely national problem misses the geography of investment. A manufacturing cluster with reliable logistics and deep supplier networks may continue investing under conditions that cause a less connected region to postpone the same project. Six recurring themes show that implementation quality, information, capability, and institutional context frequently matter as much as the headline policy or technology. Contribution: The article offers an evidence-based framework for regional investors and local firms that translates the literature into decision principles without claiming primary data that were not collected.]]>
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