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Authorized for public release by the FOMC Secretariat on 1/12/2024

BOARD OF GOVERNORS OF THE FEDERAL RESERVE SYSTEM
DIVISION OF RESEARCH AND STATISTICS

Date:

May 30, 2018

To:

Federal Open Market Committee

From:

David Wilcox

Subject:

Improvements to the Staff Judgmental Estimation of the Output Gap

The attached memorandum, prepared by Stephanie Aaronson, Gianni
Amisano, Andrew Figura, Charles Fleischman, and Paul Lengermann, members of the
Division of Research and Statistics, culminates a process that has been in progress for
several years to improve our method for judgmentally estimating the output gap.
At the center of the new process is the recognition that every real-world
economic indicator is measured with error. In particular, no single real-world variable
infallibly reveals where the macroeconomy currently stands relative to its sustainable
position. Instead, building on research by Charles Fleischman and John Roberts, the
approach we have been moving toward over the past several years aims to generate the
sharpest possible inference about the cyclical position of the economy by combining the
information contained in multiple different indicators in a statistically efficient manner.
If you have any questions about the approach described in the attached memo,
please feel free to contact either me or any of the memo authors.

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