欧洲央行：央行长期资产负债表：宏观视角（英文版）

We study whether it is desirable for the central bank to supply reserves abundantly, i.e. beyond the level that satisfies financial institutions’ aggregate liquidity needs. Using a theoretical framework, we demonstrate that abundant reserves would help fulfil the private sector’s demand for safe and liquid assets, because reserves affect financial institutions’ leverage constraints. More specifically, systematic central bank purchases of medium-term government bonds from financial institutions w