Abberger K (2006) "Another look at the ifo business cycle clock." J Bus Cycle Meas Anal 2005(3):431
Abberger K, Nierhaus W (2008) "Die ifo Konjunkturuhr: Ein Präzisionswerk zur Analyse der Wirtschaft." Ifo Schnelldienst 61(23):16–24
Agresti A, Mojon B (2001) "Some Stylized Facts on the Euro Area Business Cycle." Working paper series no. 95, ECB
Banerji, A. en Hiris, L. “A multidimensional framework for measuring businesscycles”. Economic cycle research institute. www.businesscycles.com
Baxter, M., King, R.G. (1999), "Measuring business cycles: approximate band-pass filters for economic time series." Review of Economics and Statistics, 81, 575–593.
Bernanke BS, Boivin J (2003) "Monetary policy in a data-rich environment." J Monet Econ 50(3):525–546
Beveridge, S., Nelson, C.R. (1981), "A new approach to decomposition of economic time series into permanent and transitory components with particular attention to measurement of the ‘business cycle’." Journal of Monetary Economics 7,151–174
Burns AF, Mitchell WC (1946) "Measuring business cycles." National Bureau of Economic Research, New York
Cogley T, Nason J (1995) "Effects of the Hodrick-Prescott filter on trend and difference stationary time series. Implications for business cycle research." J Econ Dyn Control 19:253–278
Destatis (2010) Business Cycle Monitor. https://service.destatis.de/KoMo/Konjunkturmonitor_2010.svg?lang=en
Fisher NI (1993) "Statistical analysis of circular data." Cambridge University Press, Cambridge
Gayer C (2008) "Report: the economic climate tracer—a tool to visualise the cyclical stance of the economy using survey data." https://www.oecd.org/sdd/leading-indicators/39578745.pdf
Hamilton, J. (1989), "A new approach to the economic analysis of nonstationary time series and the business cycle." Econometrica 57, 357–384
James D. Hamilton, 2018. "Why You Should Never Use the Hodrick-Prescott Filter," The Review of Economics and Statistics, MIT Press, vol. 100(5), pages 831-843, December.
Harvey A, Jaeger A (1993) "Detrending, stylized facts and the business cycle." J Appl Economet 8:231–247
Holmberg, J., & Lunneborg, J. (2024). "SCB:s konjunkturklocka: Metodbeskrivning (Version 1.1)." Statistiska centralbyrån
Ince O, Papell DH (2013) "The (un)reliability of real-time output gap estimates with revised data." Econ Model 33:713–721
Jammalamadaka SR, SenGupta A (2001) "Topics in circular statistics." World Scientific, Singapore
Kaiser R, Maravall A (2001) "Measuring business cycles in economic time series." Springer Verlag
King R, Rebelo S (1993) "Low frequency filtering and real business cycles." J Econ Dyn Control
Lourenço, N., Rua, A. (2023) "Business cycle clocks: Time to get circular." Empir Econ 65, 1513–1541 https://doi.org/10.1007/s00181-023-02405-x
Maravall A, del Rio A (2001) "Time Aggregation and the Hodrick-Prescott Filter." Working paper series 2001(08), Banco de España
Marcellino M, Musso A (2011) "The reliability of real-time estimates of the Euro area output gap." Econ Model 28(4):1842–1856
Mazzi GL (2015) "Complementing scoreboards with composite indicators: the new business cycle clock."
Mitchell WC (1927) "Business cycles: the problem and its setting." National Bureau of Economic Research, New York
Mitchell WC, Burns AF (1938) "Statistical Indicators of Cyclical Revivals.” NBER Bulletin 69, New York; reprinted as Chapter 6 of G. H. Moore (ed.) Business Cycle Indicators, Princeton University Press: Princeton, NJ, 1961
Nerb G (2004) Survey activity of the Ifo Institute. In: Sturm J.-E and T. Wollmershäuser (Editors): Ifo Survey Data in Business Cycle and Monetary Policy Analysis. Physica, Heidelberg
OECD (2010) The OECD Business Cycle Clock. https://www.oecd.org/sdd/leading-indicators/theoecdbusinesscycleclock.htm
Orphanides A, van Norden S (2002) "The unreliability of output-gap estimates in real time." Rev Econ Stat84(4):569–583
Ravn, Morten O. and Uhlig, Harald, "On Adjusting the Hp-Filter for the Frequency of Observations" (May 2001). Available at SSRN: https://ssrn.com/abstract=273355 or http://dx.doi.org/10.2139/ssrn.273355
Ruth FV, Schouten B, Wekker R (2005) The Statistics Netherlands’ Business Cycle Tracer. Methodological aspects; concept, cycle computation and indicator selection. Second draft october
Statistics Denmark (2013) Business Cycle Tracer. https://www.dst.dk/en/Statistik/emner/erhvervsliv/konjunkturbarometre-for-erhvervene/konjunkturcyklus
Zarnowitz, V., Ozyildirim, A. (2002), "Time series decomposition and measurement of business cycles, trends and growth cycles." NBER Working paper 8736, National Bureau of Economic Research, Cambridge, USA