Economic policymakers often use theory-based equilibrium benchmarks, such as the natural rates of interest and unemployment, to distinguish long-term trends from cyclical fluctuations. In contrast, no comparable benchmark exists for capital flows, despite their pronounced volatility in emerging market economies, such as the Philippines. This is particularly relevant for portfolio investment (PI) liabilities, which are substantially more volatile than direct investment (DI). Establishing a theory-based benchmark for capital flows can, therefore, strengthen systemic risk monitoring and support more timely policy intervention.
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