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Threats to Central Bank Independence: High-Frequency Identification with Twitter


Journal of Monetary Economics



Authors / Editors

Bianchi F;Gomez-Cram R;Kind T;Kung H

Publication Year



A high-frequency approach is used to analyze the effects of President Trump’s tweets that criticize the Federal Reserve on financial markets. Identification exploits a short time window around the precise timestamp for each tweet. The average effect on the expected fed funds rate is negative and statistically significant, with the magnitude growing by horizon. The tweets also lead to an increase in stock prices and to a decrease in long-term U.S. Treasury yields. VAR evidence shows that the tweets had an important impact on actual monetary policy, the stock market, bond premia, and the macroeconomy.

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