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Multiplicative models of financial returns an what we fail to get when they are disregarded

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  • Rodolfo Apreda

Abstract

This paper puts forward an alternative approach to multiplicative models and their assessment of returns out of financial assets. Firstly, it lays down an operative definition but also sets forth a commutative framework of mappings to provide foundations to such a definition. Next, the total return is split down into its linear and non-linear building blocks. Afterwards, a compatibility lemma draws a distinction between what should be meant by linear approximation and linear equivalence to the multiplicative model. Last of all, three empirical examples bring home how to profit from multiplicative models in actual practice.

Suggested Citation

  • Rodolfo Apreda, 2011. "Multiplicative models of financial returns an what we fail to get when they are disregarded," CEMA Working Papers: Serie Documentos de Trabajo. 454, Universidad del CEMA.
  • Handle: RePEc:cem:doctra:454
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    File URL: http://www.ucema.edu.ar/publicaciones/download/documentos/454.pdf
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    Keywords

    multiplicative models of returns; additive models of return; financial assets returns; linear approximation and linear equivalences;

    JEL classification:

    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G17 - Financial Economics - - General Financial Markets - - - Financial Forecasting and Simulation
    • G30 - Financial Economics - - Corporate Finance and Governance - - - General

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