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7/29/2020

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How Has the Federal Reserve's New Policy of Immediate Disclosure Affected Financial
Markets?
Contact: Charles B. Henderson (314) 444-8311
For release: April 17, 1997
ST. LOUIS - Research by an economist at the Federal Reserve Bank of St. Louis indicates that the magnitude of
market reaction to a change in the target for the federal funds rate under the Fed's new policy of immediate
disclosure is virtually the same as it was under the previous policy of delayed disclosure. Immediate disclosure,
however, may have reduced the financial markets' uncertainty.
Historically, the Fed had maintained that immediate disclosure of its policy decisions would create an
"announcement effect" a significant reaction by the market to changes in the federal funds rate. At the February
1994 meeting of the Federal Open Market Committee (FOMC), however, the Fed reversed its long-standing
policy.
"Contrary to these past claims by the Federal Reserve, there was actually an announcement effect prior to the
FOMC's decision to reverse its policy of delaying announcement of its federal funds rate target," said the
economist, Daniel L. Thornton, whose findings appear in the recent edition of Review, the St. Louis Fed's
bimonthly journal of economic and business issues. "The magnitude of the announcement effect was not
changed by immediate disclosure. The main difference is that the announcement effect occurs at once under
immediate disclosure. On the other hand, that effect was strung out over several days when the market was left to
decipher Federal Reserve policy changes on its own."
Thornton studied the period from Jan. 4, 1988, through Jan. 31, 1996, when the Fed conducted monetary policy
by making relatively small adjustments to its target for the federal funds rate. The federal funds rate is the shortterm interest rate that banks charge other banks for short-term loans. During this time, there were 48 changes in
the Fed's funds rate target: 38 prior to 1994 and 10 after 1994. Fourteen of those announcements were
accompanied by changes in the discount rate: nine prior to 1994 and five after 1994. The discount rate is the
short-term interest rate that the Fed charges banks for loans.
Thornton also noted that the federal funds rate has been less volatile since the FOMC's decision to announce its
policy immediately, although he said the decrease in volatility could be the result of factors other than, or in
addition to, the change in the disclosure policy. When the reduced volatility is accounted for, Thornton found
some evidence of reduced uncertainty, but he found it difficult to determine whether the apparent reduction in
uncertainty is due solely to the policy of immediate disclosure.
Nevertheless, he concluded: "Overall, the evidence suggests that the Fed's policy of immediate disclosure has
been beneficial. In monetary policy, as in most areas of economics, more information is preferable to less."
Subscriptions to Review are free and can be obtained by calling (314) 444-8809. The publication is also available
on the Internet: http://www.stls.frb.org.
The Federal Reserve Bank of St. Louis has branches in Little Rock, Louisville and Memphis. It serves the Eighth
Federal Reserve District, which includes all of Arkansas, eastern Missouri, southern Indiana, southern Illinois,
western Kentucky, western Tennessee and northern Mississippi. In addition to serving as a bank for depository
institutions and the U.S. government, each Reserve Bank supervises state-chartered member banks and bank
holding companies, monitors economic conditions in the District and participates in formulating monetary
policy.
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