# Potential issue?

**URL:** <https://forum.dynare.org/t/potential-issue/26579>\
**Category:** Steady state\
**Created:** [15 October 2024 10:52 UTC](https://forum.dynare.org/t/potential-issue/26579 "2024-10-15T10:52:10Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![sophie2](https://forum.dynare.org/letter_avatar_proxy/v4/letter/s/4da419/32.png) [@sophie2](https://forum.dynare.org/u/sophie2)\
**Post date:** [15 October 2024 10:52 UTC](https://forum.dynare.org/t/potential-issue/26579/1 "2024-10-15T10:52:11Z")

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[hw4fme1.mod](https://forum.dynare.org/uploads/short-url/9e9Y6PfCAByvc5QnDoMp3sO2uWe.mod) (2.1 KB)

hi, I have some issue dealing with TANK model.  
I checked the mod file several times and struggling to find the solution,  
it would be highly appreciated to let me know what is the problem with this file.  
thanks in advance!

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<div class="post-metadata">

**Author:** ![jpfeifer](https://forum.dynare.org/user_avatar/forum.dynare.org/jpfeifer/32/5044_2.png) [@jpfeifer](https://forum.dynare.org/u/jpfeifer)\
**Post date:** [15 October 2024 11:29 UTC](https://forum.dynare.org/t/potential-issue/26579/2 "2024-10-15T11:29:38Z")

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Your Taylor rule must be

```auto
r_b/r_ss=(r_b(-1)/r_ss)^rho_r*((pi(-1)/pi_ss)^phi_pi*(y/steady_state(y)))^(1-rho_r)*exp(e_g);

```

Try computing the steady state analytically.