# Latest

**URL:** https://discourse.macromodelbase.com/latest.md

[Latest](https://discourse.macromodelbase.com/latest.md) · [Categories](https://discourse.macromodelbase.com/categories.md)

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## [Welcome to Discourse](https://discourse.macromodelbase.com/t/welcome-to-discourse/8)

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**Author:** [@system](https://discourse.macromodelbase.com/u/system)\
**Replies:** 0\
**Last updated:** [January 14, 2018, 12:28pm UTC](https://discourse.macromodelbase.com/t/welcome-to-discourse/8 "2018-01-14T12:28:06Z")

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For clarification of questions and suggestions for improvement please visit our forum. We are very happy to help with any problems and open for constructive critique! The first paragraph of this pinned topic will be vis…

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## [Reported error: "operator +: nonconformant arguments (op1 is 1x8, op2 is 1x4)"](https://discourse.macromodelbase.com/t/reported-error-operator-nonconformant-arguments-op1-is-1x8-op2-is-1x4/273)

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**Author:** [@Julian\_Schuster](https://discourse.macromodelbase.com/u/Julian_Schuster)\
**Replies:** 0\
**Last updated:** [December 25, 2025, 11:56am UTC](https://discourse.macromodelbase.com/t/reported-error-operator-nonconformant-arguments-op1-is-1x8-op2-is-1x4/273 "2025-12-25T11:56:18Z")

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Hi, I’m new here. I use Octave 9.2 and Dynare 6.2. I installed the MMB program and tried to start it. However, when I run a model, an error appears. Unfortunately, I don’t know how to fix it. I would be really grateful …

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## [How do I get the code for NK\_FNL23？](https://discourse.macromodelbase.com/t/how-do-i-get-the-code-for-nk-fnl23/263)

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**Author:** [@Rookie](https://discourse.macromodelbase.com/u/Rookie)\
**Replies:** 0\
**Last updated:** [November 16, 2024, 6:27am UTC](https://discourse.macromodelbase.com/t/how-do-i-get-the-code-for-nk-fnl23/263 "2024-11-16T06:27:54Z")

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Dear MMDB team, Thank you for your work, In the existing “Replication Package” available on the website, it seems that the code package for NK\_FNL23 has not been put in yet. Could you please send me a copy? Or how can …

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## [Code for Shadow banking and financial regulation: A small-scale DSGE perspective](https://discourse.macromodelbase.com/t/code-for-shadow-banking-and-financial-regulation-a-small-scale-dsge-perspective/244)

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**Author:** [@siddharthshukla](https://discourse.macromodelbase.com/u/siddharthshukla)\
**Replies:** 1\
**Last updated:** [July 20, 2023, 12:46pm UTC](https://discourse.macromodelbase.com/t/code-for-shadow-banking-and-financial-regulation-a-small-scale-dsge-perspective/244 "2023-07-20T12:46:24Z")

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Hello everyone. I am new to DSGE and trying to replicate the model of RBC Model used in Shadow banking and financial regulation: A small-scale DSGE perspective. Can anyone provide me with the dynare code of the same.

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## [Missing policy\_param.mat file](https://discourse.macromodelbase.com/t/missing-policy-param-mat-file/242)

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**Author:** [@lamendo3tec](https://discourse.macromodelbase.com/u/lamendo3tec)\
**Replies:** 1\
**Last updated:** [July 19, 2023, 2:45pm UTC](https://discourse.macromodelbase.com/t/missing-policy-param-mat-file/242 "2023-07-19T14:45:04Z")

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Hello MMDB team, I am trying to run the original NK\_RA16.mod file in Matlab. In line 102 of the mod file, it calls the file “policy\_param.mat”, which is not included in the library of the MMDB. Can you please share the …

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## [replication-NK-RA16](https://discourse.macromodelbase.com/t/replication-nk-ra16/231)

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**Author:** [@Rim](https://discourse.macromodelbase.com/u/Rim)\
**Replies:** 0\
**Last updated:** [November 17, 2022, 8:51am UTC](https://discourse.macromodelbase.com/t/replication-nk-ra16/231 "2022-11-17T08:51:05Z")

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Dear MMDB team, Thank you for your work, I run the replication of NK\_RA16 and I got this error

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## [Issues with replicating models with steadystate files](https://discourse.macromodelbase.com/t/issues-with-replicating-models-with-steadystate-files/216)

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**Author:** [@f\_sh22](https://discourse.macromodelbase.com/u/f_sh22)\
**Replies:** 1\
**Last updated:** [September 22, 2022, 9:24am UTC](https://discourse.macromodelbase.com/t/issues-with-replicating-models-with-steadystate-files/216 "2022-09-22T09:24:47Z")

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Dear MMDB team, I am trying to replicate some of the models in your database. I noticed that generally I can not replicate the models with an external steady state file, in all the cases the same error messages appear: …

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## [Compatibility error (Mac OS Big Sur) (Process quit with exit code 1)](https://discourse.macromodelbase.com/t/compatibility-error-mac-os-big-sur-process-quit-with-exit-code-1/157)

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**Author:** [@Tim1](https://discourse.macromodelbase.com/u/Tim1)\
**Replies:** 2\
**Last updated:** [June 27, 2022, 9:35am UTC](https://discourse.macromodelbase.com/t/compatibility-error-mac-os-big-sur-process-quit-with-exit-code-1/157 "2022-06-27T09:35:15Z")

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Hello, I have a problem with the compatibility of MATLAB and Dynare. When I open mmb-electron and run the compatibility check in the settings, I always get the error message shown in the picture. Operating system: …

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## [Question for loss function](https://discourse.macromodelbase.com/t/question-for-loss-function/169)

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**Author:** [@ismail](https://discourse.macromodelbase.com/u/ismail)\
**Replies:** 1\
**Last updated:** [June 27, 2022, 9:34am UTC](https://discourse.macromodelbase.com/t/question-for-loss-function/169 "2022-06-27T09:34:11Z")

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Greetings to all I am a beginner student I am working on coordination between fiscal and monetary policy, and I want to find the optimal combination of the two policies that achieve the lowest loss to the economy. Any …

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## [Getting the up running](https://discourse.macromodelbase.com/t/getting-the-up-running/207)

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**Author:** [@hovhannes.alekyan](https://discourse.macromodelbase.com/u/hovhannes.alekyan)\
**Replies:** 1\
**Last updated:** [April 25, 2022, 1:27pm UTC](https://discourse.macromodelbase.com/t/getting-the-up-running/207 "2022-04-25T13:27:47Z")

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As i run the .mod files in Dyane, it shows the following error(looking for file with parapeteres.) I would be gratefull If anybody could give a quick fix for this Processing outputs … done Preprocessing completed. E…

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## [Adaptive learning files](https://discourse.macromodelbase.com/t/adaptive-learning-files/162)

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**Author:** [@lhb](https://discourse.macromodelbase.com/u/lhb)\
**Replies:** 0\
**Last updated:** [June 26, 2021, 5:32pm UTC](https://discourse.macromodelbase.com/t/adaptive-learning-files/162 "2021-06-26T17:32:17Z")

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Hello everyone! First of all, I would like to thank the developers for this really nice tool. I am interested in using the adaptive learning files not only for stochastic simulation but also for estimation. Is there a …

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## [Run with octave, problems](https://discourse.macromodelbase.com/t/run-with-octave-problems/160)

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**Author:** [@Juan\_Baez](https://discourse.macromodelbase.com/u/Juan_Baez)\
**Replies:** 0\
**Last updated:** [May 20, 2021, 10:38am UTC](https://discourse.macromodelbase.com/t/run-with-octave-problems/160 "2021-05-20T10:38:20Z")

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Dear MMDB team I\`m try to running the MMB(3.1 Windows) using Octave 6.2.0 and Dynare 4.6.4 Im already checked the compatibility with those, in the setting section, like the user guide suggest, but when i run the compar…

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## [US\_MI07 replication code missing](https://discourse.macromodelbase.com/t/us-mi07-replication-code-missing/154)

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**Author:** [@adiz](https://discourse.macromodelbase.com/u/adiz)\
**Replies:** 0\
**Last updated:** [April 5, 2021, 10:21pm UTC](https://discourse.macromodelbase.com/t/us-mi07-replication-code-missing/154 "2021-04-05T22:21:04Z")

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Hi mmb, thank you very much for this amazing work. I have been using several of your models. As the title suggest here, I could not find the replication code for US\_MI07. Please let me know if it is available. Thanks …

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## [Serious problem of the code US LTW17](https://discourse.macromodelbase.com/t/serious-problem-of-the-code-us-ltw17/152)

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**Author:** [@Godwithking](https://discourse.macromodelbase.com/u/Godwithking)\
**Replies:** 0\
**Last updated:** [April 2, 2021, 9:17am UTC](https://discourse.macromodelbase.com/t/serious-problem-of-the-code-us-ltw17/152 "2021-04-02T09:17:55Z")

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Hi，has anyone tried the US LTW17 code for a famous and award-winning paper of Leeper？The one who develops the code confused all the shocks，especially productivity and preference，calling \* ua sometimes preference shock an…

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## [Rudebusch and Swanson (2012) + AL extension](https://discourse.macromodelbase.com/t/rudebusch-and-swanson-2012-al-extension/46)

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**Author:** [@jalb](https://discourse.macromodelbase.com/u/jalb)\
**Replies:** 2\
**Last updated:** [December 11, 2020, 6:35am UTC](https://discourse.macromodelbase.com/t/rudebusch-and-swanson-2012-al-extension/46 "2020-12-11T06:35:01Z")

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Hello everyone, first of all, thank You for amazing tool. Next I would like to ask you if this model is suitable for the MMB since it has quite a extraordinary type of policy rule. I am replicating this model for a thes…

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## [US\_FRB08 file missing](https://discourse.macromodelbase.com/t/us-frb08-file-missing/126)

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**Author:** [@dpg](https://discourse.macromodelbase.com/u/dpg)\
**Replies:** 0\
**Last updated:** [June 26, 2020, 4:22pm UTC](https://discourse.macromodelbase.com/t/us-frb08-file-missing/126 "2020-06-26T16:22:42Z")

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Hi mmb, There seems to be a replication file US\_FRB08 that is missing. Thanks for your time.

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## [Possible to post estimation files?](https://discourse.macromodelbase.com/t/possible-to-post-estimation-files/125)

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**Author:** [@dpg](https://discourse.macromodelbase.com/u/dpg)\
**Replies:** 0\
**Last updated:** [June 24, 2020, 9:38pm UTC](https://discourse.macromodelbase.com/t/possible-to-post-estimation-files/125 "2020-06-24T21:38:22Z")

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Hi mmb, Just a general question of the database, is it possible to also post the Dynare estimation Mod files for the models in the library so that we can also estimate the models and update with current data. Thanks

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## [EA\_SWW14 replication file missing!](https://discourse.macromodelbase.com/t/ea-sww14-replication-file-missing/124)

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**Author:** [@dpg](https://discourse.macromodelbase.com/u/dpg)\
**Replies:** 1\
**Last updated:** [June 16, 2020, 1:22pm UTC](https://discourse.macromodelbase.com/t/ea-sww14-replication-file-missing/124 "2020-06-16T13:22:32Z")

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As title suggested, can someone update this file in the replication download section. Thanks!!!

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## [Replication of QUESTIII](https://discourse.macromodelbase.com/t/replication-of-questiii/117)

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**Author:** [@cmerino](https://discourse.macromodelbase.com/u/cmerino)\
**Replies:** 1\
**Last updated:** [March 27, 2020, 11:01am UTC](https://discourse.macromodelbase.com/t/replication-of-questiii/117 "2020-03-27T11:01:11Z")

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Dear MMB-Team, I am trying to execute your QUEST3.mod but I get the following errors. I use Dynare 4.5.7 in Matlab R2019b: dynare EA\_Quest3.mod Configuring Dynare … \[mex\] Generalized QZ. \[mex\] Sylvester equation …

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## ["Must be string scalar or character vector](https://discourse.macromodelbase.com/t/must-be-string-scalar-or-character-vector/114)

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**Author:** [@jthomp10](https://discourse.macromodelbase.com/u/jthomp10)\
**Replies:** 3\
**Last updated:** [March 18, 2020, 4:30pm UTC](https://discourse.macromodelbase.com/t/must-be-string-scalar-or-character-vector/114 "2020-03-18T16:30:18Z")

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I have no idea how I get this error

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## [Reported error: "Brace indexing is not supported for variables of this type."](https://discourse.macromodelbase.com/t/reported-error-brace-indexing-is-not-supported-for-variables-of-this-type/111)

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**Author:** [@jtang2020](https://discourse.macromodelbase.com/u/jtang2020)\
**Replies:** 2\
**Last updated:** [February 7, 2020, 1:28pm UTC](https://discourse.macromodelbase.com/t/reported-error-brace-indexing-is-not-supported-for-variables-of-this-type/111 "2020-02-07T13:28:38Z")

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Hi, I am new to MMB and just set up the platform. And the installed Matlab and dynare have passed the compatibility test as well. However, whatever model I chose, the system always reported the error as below. Is it du…

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## [Nk\_ck 08, nk\_ckl09](https://discourse.macromodelbase.com/t/nk-ck-08-nk-ckl09/102)

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**Author:** [@ManuelG](https://discourse.macromodelbase.com/u/ManuelG)\
**Replies:** 6\
**Last updated:** [December 11, 2019, 2:23pm UTC](https://discourse.macromodelbase.com/t/nk-ck-08-nk-ckl09/102 "2019-12-11T14:23:11Z")

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Dear Community, I see that no replication package is available for this two models: Christoffel, K., Kuester, K., 2008. Resuscitating the wage channel in models with unemployment fluctuations. Journal of Monetary Econo…

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## [Unconditional variance: zeros and NaNs](https://discourse.macromodelbase.com/t/unconditional-variance-zeros-and-nans/71)

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**Author:** [@hawkins](https://discourse.macromodelbase.com/u/hawkins)\
**Replies:** 1\
**Last updated:** [December 10, 2019, 7:59pm UTC](https://discourse.macromodelbase.com/t/unconditional-variance-zeros-and-nans/71 "2019-12-10T19:59:11Z")

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Hi All, Running v2.3.2 to see how the Taylor rule works across models with a monetary policy shock, I encountered zeros and NaNs for a number of models (cf. below). Is this expected behavior or does it indicate an insta…

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## [Replication Del Negro & Schorfheide (2015)](https://discourse.macromodelbase.com/t/replication-del-negro-schorfheide-2015/60)

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**Author:** [@macro\_enthusiast](https://discourse.macromodelbase.com/u/macro_enthusiast)\
**Replies:** 3\
**Last updated:** [December 10, 2019, 7:58pm UTC](https://discourse.macromodelbase.com/t/replication-del-negro-schorfheide-2015/60 "2019-12-10T19:58:34Z")

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Dear MMB-team, after seeing through your mod file for the Del Negro & Schorfheide (2015) Paper I am missing the implementation for section B on fundamental inflation. Why is it excluded from the replication? Bests!

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## [Optimal Simple Rule](https://discourse.macromodelbase.com/t/optimal-simple-rule/100)

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**Author:** [@F.S89](https://discourse.macromodelbase.com/u/F.S89)\
**Replies:** 1\
**Last updated:** [December 9, 2019, 1:49pm UTC](https://discourse.macromodelbase.com/t/optimal-simple-rule/100 "2019-12-09T13:49:05Z")

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Dear Community, I am programming a New Keynesian Model with bounded rationality. I want to find the Optimal Simple Rules. Is there any similar model to see how OSR’s can be programmed or any code I can check? Thanks in…

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## [Coenen, MAcadam and Smet (CMS) model](https://discourse.macromodelbase.com/t/coenen-macadam-and-smet-cms-model/92)

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**Author:** [@Waheed1](https://discourse.macromodelbase.com/u/Waheed1)\
**Replies:** 2\
**Last updated:** [July 5, 2019, 12:59pm UTC](https://discourse.macromodelbase.com/t/coenen-macadam-and-smet-cms-model/92 "2019-07-05T12:59:34Z")

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Can anyone tell me that is there dynare code of CMS model available in MMB

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## [New Aear Wide Model (NAWMctww)](https://discourse.macromodelbase.com/t/new-aear-wide-model-nawmctww/91)

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**Author:** [@Waheed1](https://discourse.macromodelbase.com/u/Waheed1)\
**Replies:** 2\
**Last updated:** [July 5, 2019, 12:58pm UTC](https://discourse.macromodelbase.com/t/new-aear-wide-model-nawmctww/91 "2019-07-05T12:58:07Z")

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Can anyone help with full dervaition form of New Area Wide Model of cogan et al fiscal consolidation strategy. I need desperately the mathematical full dervaition of model because I’m stack in, so help me out.

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## [Gali et al. (2007) - Issue with market clearing condition](https://discourse.macromodelbase.com/t/gali-et-al-2007-issue-with-market-clearing-condition/81)

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**Author:** [@Yannik1990](https://discourse.macromodelbase.com/u/Yannik1990)\
**Replies:** 2\
**Last updated:** [May 10, 2019, 12:31pm UTC](https://discourse.macromodelbase.com/t/gali-et-al-2007-issue-with-market-clearing-condition/81 "2019-05-10T12:31:01Z")

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Dear MBB-Team, we are currently working on the Gali et al. (2007) model using your replication code as basis. However, we are wondering whether the market clearing condition in the replication as well as in the paper a…

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## [Angeloni et al. (2015) replication issues](https://discourse.macromodelbase.com/t/angeloni-et-al-2015-replication-issues/66)

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**Author:** [@macro\_econ](https://discourse.macromodelbase.com/u/macro_econ)\
**Replies:** 5\
**Last updated:** [February 11, 2019, 9:59am UTC](https://discourse.macromodelbase.com/t/angeloni-et-al-2015-replication-issues/66 "2019-02-11T09:59:51Z")

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Dear MMB team, I’ve been looking at your mod file for the paper Monetary policy and risk taking by Angeloni, Faia, and Lo Duca from the JEDC (NK\_AFL15), but I’ve found some issues with it. I noticed this since I’ve also…

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## [Meh and Moran (2010)](https://discourse.macromodelbase.com/t/meh-and-moran-2010/63)

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**Author:** [@stella](https://discourse.macromodelbase.com/u/stella)\
**Replies:** 1\
**Last updated:** [December 18, 2018, 7:18pm UTC](https://discourse.macromodelbase.com/t/meh-and-moran-2010/63 "2018-12-18T19:18:46Z")

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Hi, I am trying to replicate Meh and Moran (2010), but I am not being able to generate the exact IRFs they have for technology and monetary policy shocks. The problem is that I can create the IRFs but they don’t appear …

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