When multiple objectives meet multiple instruments : identifying simultaneous monetary shocks
Borradores de Economía; No. 997
Fecha de publicación
2017-05-15Fecha última actualización
2017-05-15Idioma del documento
engMétricas alternativas
Las opiniones contenidas en el presente documento son responsabilidad exclusiva de los autores y no comprometen al Banco de la República ni a su Junta Directiva.
Abstract
Central banks generally target multiple objectives while having at least the same number of monetary instruments. However, some instruments can be inadvertently collinear, leading to indeterminacy and identification failures. Paradoxically, most empirical studies have shied away from this dependence. In this paper we propose a novel method of identifying simultaneous monetary shocks by introducing a Tobit model within a VAR. An advantage of our method is that it can be easily estimated using only least squares and a maximum likelihood function. Also, the impulse-response analysis can be carried out as in the traditional time-series setting and can be applied in a structural framework. Hence, we model a dual process consisting of a censored foreign exchange intervention policy along with a linear interest rate intervention policy. In simulation exercises we show that our method outperforms a benchmark case of estimating policy functions separately. In fact, as the covariance between shocks increases, so does the performance of our method. In our empirical approach, we estimate the policy covariance for the case of Colombia and Turkey and find significant differences when compared to the benchmark case.
Códigos JEL
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URI
https://repositorio.banrep.gov.co/handle/20.500.12134/6310https://hdl.handle.net/20.500.12134/6310
https://doi.org/10.32468/be.997
https://ideas.repec.org/p/bdr/borrec/997.html
Colecciones
- Borradores de Economía [1272]
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