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Principal Component Risikofaktorer

Risikofaktor PCA er en dimensionsreducerende metode, der dekomponerer afkastkovariansmatricen for mange aktiver i et lille antal ortogonale principalkomponenter, som fortolkes som systematiske risikofaktorer. Litterman og Scheinkman (1991) brugte den til at vise, at obligationsafkast drives af få fælles faktorer, og Connor og Korajczyk (1988) udviklede den statistiske faktorfortolkning for APT.

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Method map

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Kilder

  1. Litterman, R. & Scheinkman, J. (1991). Common Factors Affecting Bond Returns. Journal of Fixed Income, 1(1), 54-61. DOI: 10.3905/jfi.1991.692347
  2. Connor, G. & Korajczyk, R. A. (1988). Risk and Return in an Equilibrium APT: Application of a New Test Methodology. Journal of Financial Economics, 21(2), 255-289. DOI: 10.1016/0304-405X(88)90062-1

Sådan citerer du denne side

ScholarGate. (2026, June 1). Risk Factor PCA via Return Covariance Decomposition. ScholarGate. https://scholargate.app/da/finance/principal-component-risk

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Refereret af

ScholarGatePrincipal Component Risk Factors (Risk Factor PCA via Return Covariance Decomposition). Hentet 2026-06-15 fra https://scholargate.app/da/finance/principal-component-risk · Datasæt: https://doi.org/10.5281/zenodo.20539026