armstrong economic confidence model - SERP Analysis

https://www.armstrongeconomics.com/models/7219-2/

https://www.armstrongeconomics.com/the-princeton-models-and-methodologies-a-users-guide/business-economic-confidence/

https://www.armstrongeconomics.com/models/

https://blog.tangent.com/browse/z3jmHd/4OK076/armstrong-economic-confidence__model.pdf

https://standard.socratesplatform.com/MKC/Content/SocModels/ECM/ECM.htm

https://en.wikipedia.org/wiki/Martin_A._Armstrong

https://rayislam.medium.com/decoding-business-rhythms-the-significance-of-the-8-6-year-1aaaf3550d70

https://www.armstrongeconomics.com/armstrongeconomics101/ecm-armstrongeconomics101/the-major-fractal-wave-of-the-economic-confidence-model-2032-95-2/

https://www.reddit.com/r/badeconomics/comments/5ply3o/cycles_and_macroeconomic_forecasting/

https://tradingcenter.org/index.php/trade/equities/373-martin-armstrong-ecm-model