Bry and Boschan routine

In econometrics, the Bry and Boschan routine finds statistical maxima and minima while using certain censoring rules and phase and cycle length constraints. [1], [2]

The OECD has composite leading indicators and turning points that are recession indicators with peak through the trough turning points chronologies determined by the rules in a computer routine (Bry and Boschan)[3]

The U.S. National Bureau of Economic Research (NBER) uses a computer routine (Bry and Boschan) and includes a Phase-Average Trend (PAT) detrending procedure. The turning point detection algorithm is decoupled from the de-trending procedure.[4]

References

"OECD Composite Leading Indicators: Reference Turning Points and Component Series - OECD". www.oecd.org.
"Dating the Italian Business Cycle | A Comparison of Procedures | Giancarlo Bruno† Edoardo Otranto | 18th December 2003 Methods page 3" (PDF).
"OECD based Recession Indicators for Major Seven Countries from the Peak through the Trough". FRED, Federal Reserve Bank of St. Louis. April 1, 1957.
"OECD based Recession Indicators for the United States from the Peak through the Period preceding the Trough". FRED, Federal Reserve Bank of St. Louis. February 1, 1947.

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[1] "OECD Composite Leading Indicators: Reference Turning Points and Component Series - OECD". www.oecd.org.

[2] "Dating the Italian Business Cycle | A Comparison of Procedures | Giancarlo Bruno† Edoardo Otranto | 18th December 2003 Methods page 3" (PDF).

[3] "OECD based Recession Indicators for Major Seven Countries from the Peak through the Trough". FRED, Federal Reserve Bank of St. Louis. April 1, 1957.

[4] "OECD based Recession Indicators for the United States from the Peak through the Period preceding the Trough". FRED, Federal Reserve Bank of St. Louis. February 1, 1947.