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Nonlinear dynamics in Divisia monetary aggregates:an application of recurrence quantification analysis

Financial Innovation 2023年第1期9卷 467-483页

作者： Ioannis Andreadis Athanasios D.Fragkou Theodoros E.Karakasidis Apostolos Serletis International School of The Hague Wijndaelerduin 12554BXThe HagueThe Netherlands Department of Civil Engineering University of Thessaly38334 VolosGreece Condensed Matter Physics Laboratory Department of PhysicsUniversity of Thessaly35100 LamiaGreece University of Calgary CalgaryABCanada

We construct recurrence plots(RPs)and conduct recurrence quantification analysis(RQA)to investigate the dynamic properties of the new Center for Financial Stability(CFS)Divisia monetary aggregates for the United *** this study,we use the lat-est vintage of Divisia aggregates,maintained within *** use monthly data,from January 1967 to December 2020,which is a sample period that includes the extreme economic events of the 2007–2009 global financial *** then make comparisons between narrow and broad Divisia money measures and find evidence of a nonlinear but reserved possible chaotic explanation of their *** application of RPs to broad Divisia monetary aggregates encompasses an additional drift structure around the global financial crisis in *** the moving window RQA to the growth rates of narrow and broad Divisia monetary aggregates,we identify periods of changes in data-generating processes and associate such changes to monetary policy regimes and financial innovations that occurred during those times.

关键词： Divisia monetary aggregates recurrence plots Moving windows Deterministic dynamics Stochastic structures

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recurrence Quantification Analysis of Rough Surfaces Applied to Optical and Speckle Profiles

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Journal of Applied Mathematics and Physics 2016年第4期4卷 720-732页

作者： Oscar Sarmiento Martinez Darwin Mayorga Cruz Jorge Uruchurtu Chavarín Estela Sarmiento Bustos Technological Institute of Zacatepec-ITZ Metal Mechanical Department Electromechanical Engineering Calzada Tecnológico Zacatepec Mexico Center for Research in Engineering and Applied Sciences-CIICAp Av. Universidad Chamilpa Cuernavaca Mexico Emiliano Zapata Technological University-UTEZ Industrial Mechanics Area Av. Universidad Tecnológica Col. Palo Escrito Emiliano Zapata Mexico

In this paper, recurrence Quantification Analysis (RQA) is set as a practical nonlinear data tool to establish and compare surface roughness (Ra) through percentage parameters of a dynamical system: recurrence (%REC), Determinism (%DET) and Laminarity (%LAM). Variations in surface roughness of different machining procedures from a typical metallic casting comparator are obtained from scattering intensity of a laser beam and expressed as changes in the statistics of speckle patterns and profiles optical properties. The application of the analysis (RQA) by recurrence plots (RPs), allowed to distinguish between machining procedures, highlighting features that other methods are unable to detect.

关键词： RQA recurrence plots Roughness Optical Data Processing Speckle Patterns

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