The Ornstein-Uhlenbeck process to model the deposit volume of non-maturing assets in Colombia

  1. JUAN F. RENDÓN 1
  2. ALFREDO TRESPALACIOS 1
  3. DIANA PACHECO 1
  1. 1 Instituto Tecnológico Metropolitano
    info

    Instituto Tecnológico Metropolitano

    Medellín, Colombia

    ROR https://ror.org/03zb5p722

Journal:
Rect@: Revista Electrónica de Comunicaciones y Trabajos de ASEPUMA

ISSN: 1575-605X

Year of publication: 2020

Volume: 21

Issue: 2

Pages: 105-117

Type: Article

DOI: 10.24309/RECTA.2020.21.2.02 DIALNET GOOGLE SCHOLAR lock_openDialnet editor

More publications in: Rect@: Revista Electrónica de Comunicaciones y Trabajos de ASEPUMA

Abstract

The accurate comprehension of the risk drivers of different depository institutions is the key to their sustainable operation. In this paper, we analyze two stochastic approaches to model Non-Maturing Assets (NMAs) employing an Ornstein– Uhlenbeck process that can be used for the evaluation of the liquidity and interest risk of savings accounts in banks. We detail the models’ specifications, parameters, and simulation results. Furthermore, we examine the regular patterns, throughout the year, of the behavior of the volume of deposits into saving accounts in Colombia, in line with the results of other researchers in different countries. Finally, we found that a trend term should be incorporated into the model to capture the growth of the series.

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