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Estimating the par sovereign yield curve for Costa Rica

Author

Listed:
  • Valerie Lankester-Campos

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

  • Róger Ortega-Oviedo

    (Central Bank of Costa Rica)

Abstract

The intertemporal interest rate structure financially signals the value at risk which the agents estimate for each period. As such, it provides information of expectations on monetary policy, economic activity and inflation for the short, medium and long run. There are different methodologies for its estimation, but still, al lot them, must consider the distinctive features of each market, primarily the issuers’ characteristics, number of trades and the amount of available financial instruments. The Central Bank of Costa Rica, BCCR, publishes on its website the estimation of a sovereign yield curve since 2015. Given its commitment to engage with a process of continuos improvement, this work intends to contribute to the actual methodology with different elements on data characteristics that enhance its estimation. For it, the parametric models of Nelson y Siegel (1987), and its extension, Svensson (1994), are assessed thoroughly, along with the specific characteristics of Costa Rica’s bond market and the methodology used until October 2020. *** Resumen: La estructura temporal de tasas de interés (ETTI) o curva de rendimientos es una herramienta que refleja la valoración por riesgo que tiene el mercado a cada plazo, y como tal, brinda información sobre las expectativas acerca de la política monetaria, la actividad económica y la inflación para el corto, mediano y largo plazo. Existen diferentes metodologías para su estimación, sin embargo, para todas, se deben considerar las particularidades del mercado, en especial las características de los emisores, el número de negociaciones y la cantidad de instrumentos financieros disponibles. El Banco Central de Costa Rica (BCCR) publica una curva de rendimientos soberana desde finales del 2015. Como parte de su compromiso con un proceso de mejora continua, este trabajo busca contribuir con algunos elementos sobre las características de los datos por considerar para el cálculo de esta herramienta. Para ello, se evalúan dos aproximaciones paramétricas de la relación entre el plazo y el rendimiento en el mercado de valores, el método de estimación propuesto por Nelson y Siegel (1987) y la extensión propuesta por Svensson (1994), así como las características del mercado bursátil y la metodología vigente antes de octubre de 2020.

Suggested Citation

  • Valerie Lankester-Campos & Róger Ortega-Oviedo, 2021. "Estimating the par sovereign yield curve for Costa Rica," Notas Técnicas 2104, Banco Central de Costa Rica.
  • Handle: RePEc:apk:nottec:2104
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    File URL: https://repositorioinvestigaciones.bccr.fi.cr/handle/20.500.12506/349
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    Keywords

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    JEL classification:

    • E43 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Interest Rates: Determination, Term Structure, and Effects
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G20 - Financial Economics - - Financial Institutions and Services - - - General
    • H63 - Public Economics - - National Budget, Deficit, and Debt - - - Debt; Debt Management; Sovereign Debt

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