Informal central bank communication: The role of investor memories
研究发现，美国央行非正式沟通的重复出现和短期密集发布会增强投资者记忆，导致股票异常回报率上升。
Central bank informal communication became more frequent and acquired more mass media attention after the global financial crisis. Do investors remember past central bank communications when a new communication is released? Focusing on the United States, we show that abnormal stock returns increase as informal communications are repeated over time and within a short distance from each other.