Impulse response analysis in conditional quantile models with an application to monetary policy

Dong Jin Lee, Tae Hwan Kim, Paul Mizen

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


This paper presents a new method to analyze the effect of shocks on time series using a quantile impulse response function (QIRF). While conventional impulse response analysis is restricted to evaluation using the conditional mean function, here, we propose an alternative impulse response analysis that traces the effect of economic shocks on the conditional quantile function. By changing the quantile index over the unit interval, it is possible to measure the effect of shocks on the entire conditional distribution of a variable of interest in our framework. Therefore we can observe the complete distributional consequences of policy interventions, especially at the upper and lower tails of the distribution as well as at the mean. Using the new approach, it becomes possible to evaluate two distinct features (called “distributional effects”): (i) a change in the dispersion of the conditional distribution of interest after a shock, and (ii) a change in the degree of skewness of the conditional distribution caused by a policy intervention. None of these features can be observed in the conventional impulse response analysis exclusively based on the conditional mean function. In addition to proposing the QIRF, our second contribution is to present a new way to jointly estimate a system of multiple quantile functions. Our proposed system quantile estimator is obtained by extending the result of Jun and Pinkse (2009) to the time series context. We illustrate the QIRF on a VAR model in a manner similar to Romer and Romer (2004) in order to assess the impact of a monetary policy shock on the US economy.

Original languageEnglish
Article number104102
JournalJournal of Economic Dynamics and Control
Publication statusPublished - 2021 Jun

Bibliographical note

Funding Information:
Tae-Hwan Kim is grateful for financial support from the Ministry of Education of the Republic of Korea and the National Research Foundation of Korea ( NRF-2017S1A5A2A01025435 ).

Publisher Copyright:
© 2021 Elsevier B.V.

All Science Journal Classification (ASJC) codes

  • Economics and Econometrics
  • Control and Optimization
  • Applied Mathematics


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