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Quantitative analysis of interest rate substitutes for Libor rate

Author

Listed:
  • Jose Pablo Barquero-Romero

  • Alberto Vindas-Quesada

    (Department of Economic Research, Central Bank of Costa Rica)

Abstract

International financial authorities announced that by the end of 2021 the Libor interest rate calculation will be discontinued. This rate is also used for several operations in dollars in the Costa Rican market, therefore financial authorities decided that intermediaries should make their own studies, following best practices, to decide which rate to select as a substitute as a reference in their contracts. However, given the imminent discontinuation of the Libor, an additional challenge arises for the Central Bank of Costa Rica given that articles 52 and 80 of its Law make an explicit reference to the Libor rate for specific operations with the financial system. This paper analyzes the statistical characteristics of a set of interest rates that could eventually substitute the Libor rate. The analysis pays special attention to study cointegration, correlation and differences between Libor and its possible substitutes. We found that the one-month average for the SOFR rate is the indicator that shows the best statistical properties if compared with the one- and six-month Libor. ***Resumen: Autoridades financieras internacionales anunciaron que el cálculo de la tasa de referencia interbancaria de Londres (Libor, por sus siglas en inglés) será descontinuado para el final de 2021. Esta es una tasa también utilizada en el mercado costarricense para muchas operaciones en dólares, por lo que las autoridades financieras decidieron que los intermediarios, de acuerdo con las mejores prácticas, deberían realizar sus propios estudios y decidir cuál tasa de interés utilizar, en adelante, como referencia para sus contratos. Sin embargo, al ser inminente que se descontinuará el cálculo de la Libor, surge un reto adicional para el Banco Central de Costa puesto que los artículos 52 y 80 de su ley orgánica (ley N° 7558) refieren al uso de la tasa Libor para determinadas operaciones con el sector financiero nacional. Este documento analiza las características estadísticas de un grupo de tasas de interés que eventualmente podrían sustituir las tasas Libor. El análisis se enfocó en estudiar cointegración (existencia de relaciones estadísticamente significativas de largo plazo), correlación, y diferencias entre la Libor y potenciales sustitutos. Se encuentra, que el promedio de un mes de observaciones de la tasa SOFR es el indicador que muestra las mejores propiedades estadísticas si se le compara con la tasa Libor tanto a uno como a seis meses plazo.

Suggested Citation

  • Jose Pablo Barquero-Romero & Alberto Vindas-Quesada, 2021. "Quantitative analysis of interest rate substitutes for Libor rate," Notas Técnicas 2103, Banco Central de Costa Rica.
  • Handle: RePEc:apk:nottec:2103
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    File URL: https://repositorioinvestigaciones.bccr.fi.cr/handle/20.500.12506/348
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    References listed on IDEAS

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    1. Robert Engle & Clive Granger, 2015. "Co-integration and error correction: Representation, estimation, and testing," Applied Econometrics, Russian Academy of National Economy and Public Administration (RANEPA), vol. 39(3), pages 106-135.
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    • G20 - Financial Economics - - Financial Institutions and Services - - - General

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