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Pablo Aguilar
- 31 March 2026
- OCCASIONAL PAPER SERIES - No. 384Details
- Abstract
- In April and in October 2025 China imposed export controls on rare earths amid escalating trade tensions with the United States. Although these measures were too short-lived to generate macroeconomic effects, they signalled China’s ability to draw on its dominant position in the rare earth supply chain. This paper provides a structured assessment of the potential macroeconomic consequences associated with rare earth supply disruptions. First, it documents that exposure to rare earth supply disruptions is concentrated in high-tech and security-sensitive sectors including automotive, electronics and defence-related industries. Second, drawing on earlier episodes of Chinese export restrictions on critical minerals (notably in 2010 and 2023), it highlights two key mitigating forces from the targeted countries’ perspective: practical and strategic constraints on China’s ability to implement strict export bans, and innovation-led substitution by targeted countries. Third, the paper quantifies the global macroeconomic implications of a hypothetical scenario of stringent but partial Chinese export restrictions on rare earths lasting for 18 months. To do so, the analysis combines, for the various segments of the transmission chain, a partial equilibrium setup, a closed-economy DSGE model, and the multi-country multi-sector dynamic model of Aguilar et al. (2026). The main results, across specifications, suggest estimated output losses for the United States ranging between 0.3% and 0.6%, with the largest impacts concentrated in automotive and electronics manufacturing. The results at the same time highlight the sensitivity of model-based estimates to assumptions on the substitutability of rare earths and the severity of restrictions.
- JEL Code
- F13 : International Economics→Trade→Trade Policy, International Trade Organizations
F17 : International Economics→Trade→Trade Forecasting and Simulation
C63 : Mathematical and Quantitative Methods→Mathematical Methods, Programming Models, Mathematical and Simulation Modeling→Computational Techniques, Simulation Modeling
C68 : Mathematical and Quantitative Methods→Mathematical Methods, Programming Models, Mathematical and Simulation Modeling→Computable General Equilibrium Models
Q37 : Agricultural and Natural Resource Economics, Environmental and Ecological Economics→Nonrenewable Resources and Conservation→Issues in International Trade
- 30 June 2025
- OCCASIONAL PAPER SERIES - No. 372Details
- Abstract
- This report focuses on the implications of the changed inflation environment for the ECB’s monetary policy strategy, including the lessons learned from both the low inflation and high inflation periods, and the transition from one to the other. The starting point of the report is the outcome of the Monetary Policy Strategy Review 2020-21. While the previous review was conducted in an economic environment of low inflation, with interest rates in proximity to the effective lower bound (ELB), the inflation surge that followed the COVID-19 pandemic underscores the importance of a monetary policy strategy that enables the Governing Council to effectively respond to major changes in the inflation environment.
- 30 June 2025
- OCCASIONAL PAPER SERIES - No. 371
- 21 September 2021
- OCCASIONAL PAPER SERIES - No. 269Details
- Abstract
- The ECB’s price stability mandate has been defined by the Treaty. But the Treaty has not spelled out what price stability precisely means. To make the mandate operational, the Governing Council has provided a quantitative definition in 1998 and a clarification in 2003. The landscape has changed notably compared to the time the strategy review was originally designed. At the time, the main concern of the Governing Council was to anchor inflation at low levels in face of the inflationary history of the previous decades. Over the last decade economic conditions have changed dramatically: the persistent low-inflation environment has created the concrete risk of de-anchoring of longer-term inflation expectations. Addressing low inflation is different from addressing high inflation. The ability of the ECB (and central banks globally) to provide the necessary accommodation to maintain price stability has been tested by the lower bound on nominal interest rates in the context of the secular decline in the equilibrium real interest rate. Against this backdrop, this report analyses: the ECB’s performance as measured against its formulation of price stability; whether it is possible to identify a preferred level of steady-state inflation on the basis of optimality considerations; advantages and disadvantages of formulating the objective in terms of a focal point or a range, or having both; whether the medium-term orientation of the ECB’s policy can serve as a mechanism to cater for other considerations; how to strengthen, in the presence of the lower bound, the ECB’s leverage on private-sector expectations for inflation and the ECB’s future policy actions so that expectations can act as ‘automatic stabilisers’ and work alongside the central bank.
- JEL Code
- E31 : Macroeconomics and Monetary Economics→Prices, Business Fluctuations, and Cycles→Price Level, Inflation, Deflation
E52 : Macroeconomics and Monetary Economics→Monetary Policy, Central Banking, and the Supply of Money and Credit→Monetary Policy
E58 : Macroeconomics and Monetary Economics→Monetary Policy, Central Banking, and the Supply of Money and Credit→Central Banks and Their Policies