国际货币基金组织：稳定支出规则在促进宏观财政稳定中的作用：来自波兰的模拟证据（英文版）

: The paper investigates the properties of Poland’s Stabilizing Expenditure Rule (SER) in the context of economic governance reform in the EU. The analysis uses a granular macroeconometric model (Chmura et al., 2024) that incorporates heterogeneous fiscal multipliers across expenditure items and endogenous tax bases. This novelty supports emprically-grounded simulations to analyze the impact of adverse shocks on output, fiscal balances, and debt dynamics, including through the binding expendi