Economic Uncertainty and Extreme Capital Flow Movement | 국외연구자료

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Economic Uncertainty and Extreme Capital Flow Movement

JETRO

2026.01.02

The relationship between uncertainty and capital flows has attracted significant attention; however, the specific impact of economic (policy) uncertainty arising from extreme events on extreme capital flow movements remains understudied. This paper examined the effects of global and domestic economic uncertainty on extreme capital flow movement by analyzing a comprehensive dataset encompassing 57 countries on a quarterly basis from 1986 Q1 through 2023 Q4. Our results suggested that (i) in contrast to financial uncertainty, heightened U.S. EPU actually reduces the probability of stops and retrenchment occurrences and this effect is predominantly driven by U.S. Fiscal Policy Uncertainty; (ii) in the post-crisis period, U.S. EPU has gradually superseded financial uncertainty as one of the key drivers of extreme capital movements; (iii) unlike domestic EPU that exerts limited influence on extreme capital flow episodes, we found that elevated domestic WUI shocks reduce the probability of surge occurrences, and this effect is predominantly driven by the pre-crisis period in emerging markets; (iv) while demonstrating effects similar to U.S. EPU, U.S. WUI effects materialize after a two-quarter lag, indicating the presence of a temporal delay in U.S. WUI’s impact.

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