📈 Managing Sri Lanka's Exchange Rate: Predictions & Policies

A framework by a former Central Bank official outlines the dynamics of the USD/LKR exchange rate, emphasizing that it is an endogenous variable determined by short-run and long-run economic factors rather than direct state control. • Core Mechanics: Short-run exchange rate movements follow a "random walk" driven by foreign exchange inflows/outflows, trade, tourism, and remittances. Long-run fluctuations are dictated by money supply, real output, and inflation differentials between the USA and Sri Lanka. • Historical Trend: Historically, higher inflation and money supply growth in Sri Lanka relative to trading partners have driven a steady depreciation of the LKR since 1950. Attempting to artificially fix rates using foreign reserves, as seen in 2021-2022, leads to sharp, volatile depreciations and economic fallout. • Socio-Economic Impact: LKR depreciation triggers a vicious cycle by raising the cost of essential imports (fuel, food, medicine). Due to "downward price rigidity," these costs remain high, heavily impacting fixed-income earners and vulnerable segments. • Policy Recommendations: To stabilize the currency long-term, the Government must boost national productivity, curb public sector inefficiencies, and attract foreign direct investment. The Central Bank should focus on long-run price stability and money supply management rather than direct currency manipulation.