# IRFs for highly correlated shocks

**URL:** <https://forum.dynare.org/t/irfs-for-highly-correlated-shocks/4878>\
**Category:** Dynare help (legacy posts)\
**Created:** [3 August 2015 05:44 UTC](https://forum.dynare.org/t/irfs-for-highly-correlated-shocks/4878 "2015-08-03T05:44:17Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![mchaban](https://forum.dynare.org/letter_avatar_proxy/v4/letter/m/ec9cab/32.png) [@mchaban](https://forum.dynare.org/u/mchaban)\
**Post date:** [3 August 2015 05:44 UTC](https://forum.dynare.org/t/irfs-for-highly-correlated-shocks/4878/1 "2015-08-03T05:44:17Z")

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Hi,  
I would appreciate if someone could explain (or to point to a study in which it is explained) how to use common factor decomposition for highly correlated shocks if I want to avoid using Cholesky decomposition in DYNARE so that responses are symmetrical. Thanks.

Max