International Monetary Fund analysis calls for cooperative ways to lower the cost of building adequate foreign exchange reserves

The International Monetary Fund published an IMFBlog analysis arguing that adequate foreign exchange reserves help emerging market and developing economies absorb shocks, limit disruptive currency volatility and reduce perceived risk, and that countries with very low reserves are especially vulnerable when market access deteriorates. The post notes that while global reserve holdings have risen over the past 25 years, they are highly concentrated, with some economies holding reserves in excess of measurable insurance needs while many others, particularly low-income countries, still have insufficient buffers even when combined with other elements of the global financial safety net such as IMF financing and swap lines. It stresses that sustained reserve accumulation typically requires fiscal and external discipline and domestic consensus building, and works best when built organically over time rather than via short-term foreign exchange borrowing; overreliance on volatile capital flows and limited exchange rate flexibility can leave stabilization efforts exposed when inflows reverse. To address the high opportunity cost of reserves, the analysis proposes exploring global solutions that expand the menu of suitable central bank investment options, including a broader set of “certified” dollar reserve assets beyond short-term US Treasuries and the use of a common investment fund to reduce transaction costs while preserving liquidity, with the aim of improving risk-adjusted returns and making adequate reserve accumulation more feasible.