# Latest **URL:** https://forum.mimiframework.org/latest.md [Latest](https://forum.mimiframework.org/latest.md) · [Categories](https://forum.mimiframework.org/categories.md) --- ## [Welcome to Discourse](https://forum.mimiframework.org/t/welcome-to-discourse/7)
**Author:** [@system](https://forum.mimiframework.org/u/system)\ **Replies:** 0\ **Last updated:** [February 21, 2019, 10:10pm UTC](https://forum.mimiframework.org/t/welcome-to-discourse/7 "2019-02-21T22:10:45Z")
This space is the central place to discuss all topics related to the Mimi Framework for integrated assessment modeling. The first paragraph of this pinned topic will be visible as a welcome message to all new visitors o… --- ## [MonteCarlo runs for CIAM in GIVE and Cluster Runs](https://forum.mimiframework.org/t/montecarlo-runs-for-ciam-in-give-and-cluster-runs/337)
**Author:** [@pansah](https://forum.mimiframework.org/u/pansah)\ **Replies:** 0\ **Last updated:** [August 8, 2026, 9:13pm UTC](https://forum.mimiframework.org/t/montecarlo-runs-for-ciam-in-give-and-cluster-runs/337 "2026-08-08T21:13:10Z")
Hi everyone, Is it possible to run Montecarlo simulations for CIAM within MimiGIVE? Also, how do you accelerate GIVE’s montecarlo runs on a cluster? It turns out simply linking the job file to a slurm script doesn’t fi… --- ## [Discount rates in MimiGIVE](https://forum.mimiframework.org/t/discount-rates-in-mimigive/336)
**Author:** [@pansah](https://forum.mimiframework.org/u/pansah)\ **Replies:** 1\ **Last updated:** [August 3, 2026, 4:56am UTC](https://forum.mimiframework.org/t/discount-rates-in-mimigive/336 "2026-08-03T04:56:22Z")
What combination of p and n could plausibly yield 0.5% and 1% discount rates in MimiGIVE? --- ## [MimiGIVE Ensembles](https://forum.mimiframework.org/t/mimigive-ensembles/326)
**Author:** [@pansah](https://forum.mimiframework.org/u/pansah)\ **Replies:** 1\ **Last updated:** [July 27, 2025, 7:16pm UTC](https://forum.mimiframework.org/t/mimigive-ensembles/326 "2025-07-27T19:16:50Z")
Good day, What is the maximum number of ensembles to run for GIVE? Thanks, Peter --- ## [Optimizing MimiDICE](https://forum.mimiframework.org/t/optimizing-mimidice/163)
**Author:** [@MalinW](https://forum.mimiframework.org/u/MalinW)\ **Replies:** 24\ **Last updated:** [June 11, 2025, 3:46am UTC](https://forum.mimiframework.org/t/optimizing-mimidice/163 "2025-06-11T03:46:35Z")
Hey there, I am trying to optimize the welfare in MimiDICE2016 using the mitigation rate with OptiMimi and stayed closely to the description of OptiMimi here: This is the code I used (m\_opti is the DICE2016 model): u… --- ## [Question about optimizing with constraint](https://forum.mimiframework.org/t/question-about-optimizing-with-constraint/325)
**Author:** [@emilywen2001](https://forum.mimiframework.org/u/emilywen2001)\ **Replies:** 0\ **Last updated:** [June 2, 2025, 10:39am UTC](https://forum.mimiframework.org/t/question-about-optimizing-with-constraint/325 "2025-06-02T10:39:57Z")
Hello everyone: I’m trying to optimize MimiFUND model with temperature constraint (for example: temperature is not above 1.5 degree before 2100) based on code from Budolfson et al. (2021). I have added the constraint b… --- ## [Different timesteps or embedded model](https://forum.mimiframework.org/t/different-timesteps-or-embedded-model/320)
**Author:** [@jrising](https://forum.mimiframework.org/u/jrising)\ **Replies:** 8\ **Last updated:** [May 19, 2025, 8:35pm UTC](https://forum.mimiframework.org/t/different-timesteps-or-embedded-model/320 "2025-05-19T20:35:10Z")
Hi all. I have two models with very different time definitions, and I want to know what my options are for combining them. I want to add MimiFAIRv2 to the PAGE-2020 model. I previously was able to add MimiFAIRv2 to the … --- ## [GWP of linear gases in PAGE model](https://forum.mimiframework.org/t/gwp-of-linear-gases-in-page-model/324)
**Author:** [@emilywen2001](https://forum.mimiframework.org/u/emilywen2001)\ **Replies:** 1\ **Last updated:** [April 14, 2025, 5:18pm UTC](https://forum.mimiframework.org/t/gwp-of-linear-gases-in-page-model/324 "2025-04-14T17:18:41Z")
Hello everyone: I want to calculate the GHG emission reductions and unify the units into Mton CO2-eq. However, what GWP value should I apply to linear gas? According to the documentation, these include PFCs, HFC and SF6… --- ## [Technical progress in PAGE-ICE model](https://forum.mimiframework.org/t/technical-progress-in-page-ice-model/323)
**Author:** [@emilywen2001](https://forum.mimiframework.org/u/emilywen2001)\ **Replies:** 1\ **Last updated:** [April 14, 2025, 5:17pm UTC](https://forum.mimiframework.org/t/technical-progress-in-page-ice-model/323 "2025-04-14T17:17:37Z")
Hello everyone: I want to simulate the policy impact of climate finance transfer in developed countries on technological progress in developing countries in the PAGE model. I would like to know which parameter in the mo… --- ## [Help Needed for MimiFAIR](https://forum.mimiframework.org/t/help-needed-for-mimifair/322)
**Author:** [@pansah](https://forum.mimiframework.org/u/pansah)\ **Replies:** 1\ **Last updated:** [April 2, 2025, 8:56pm UTC](https://forum.mimiframework.org/t/help-needed-for-mimifair/322 "2025-04-02T20:56:31Z")
Hi, Good day! In MimiFAIRv1\_6\_2, I noticed that the Montecarlo simulation function (run\_mcs) is only associated with the SSPs (defined by the get\_model), whereas the get\_model\_original (defined for the RCPs) do not hav… --- ## [Implementation of MimiMooreEtAL In MimiGIVE](https://forum.mimiframework.org/t/implementation-of-mimimooreetal-in-mimigive/321)
**Author:** [@pansah](https://forum.mimiframework.org/u/pansah)\ **Replies:** 1\ **Last updated:** [March 7, 2025, 12:17am UTC](https://forum.mimiframework.org/t/implementation-of-mimimooreetal-in-mimigive/321 "2025-03-07T00:17:51Z")
The 2017 paper by Moore et al., used temperature, CO2, and precipitation in its regression, however, only the temperature part of the regression is implemented in MimiGIVE. Is this correct? --- ## [Taxeffect in PAGE model](https://forum.mimiframework.org/t/taxeffect-in-page-model/319)
**Author:** [@emilywen2001](https://forum.mimiframework.org/u/emilywen2001)\ **Replies:** 1\ **Last updated:** [February 13, 2025, 4:36pm UTC](https://forum.mimiframework.org/t/taxeffect-in-page-model/319 "2025-02-13T16:36:43Z")
Hi, there I want to change the emission in PAGE-2020 model by using climate policy and I have noticed that there is a “taxeffect.jl” in src/contrib folder. However, I don’t know the way to incorporate this component int… --- ## [Enquiry - MimiGIVE](https://forum.mimiframework.org/t/enquiry-mimigive/314)
**Author:** [@pansah](https://forum.mimiframework.org/u/pansah)\ **Replies:** 2\ **Last updated:** [October 8, 2024, 6:44pm UTC](https://forum.mimiframework.org/t/enquiry-mimigive/314 "2024-10-08T18:44:34Z")
Hi, Good day! Is there a full self contained documentation for MimiGive - I know there are separate reference materials for the components, but is there a full documentation where I can get a fair share into the formula… --- ## [Timestep errors](https://forum.mimiframework.org/t/timestep-errors/317)
**Author:** [@emilywen2001](https://forum.mimiframework.org/u/emilywen2001)\ **Replies:** 3\ **Last updated:** [October 24, 2024, 3:28am UTC](https://forum.mimiframework.org/t/timestep-errors/317 "2024-10-24T03:28:07Z")
Hi, there I encountered this problem when running the model, but I did not modify any parameters related to time, how can I solve it? Thanks! --- ## [Calibration method](https://forum.mimiframework.org/t/calibration-method/315)
**Author:** [@emilywen2001](https://forum.mimiframework.org/u/emilywen2001)\ **Replies:** 0\ **Last updated:** [October 21, 2024, 3:16am UTC](https://forum.mimiframework.org/t/calibration-method/315 "2024-10-21T03:16:34Z")
Hello, I have changed some equations and I want to calibrate some new parameters to let my modified model have the same result as the original model in the first year. How can I do this job in Mimi-RICE 2010? Best, Em… --- ## [First Time User // Calibration of SCC Estimates](https://forum.mimiframework.org/t/first-time-user-calibration-of-scc-estimates/313)
**Author:** [@afoxwolfe](https://forum.mimiframework.org/u/afoxwolfe)\ **Replies:** 6\ **Last updated:** [October 1, 2024, 11:13pm UTC](https://forum.mimiframework.org/t/first-time-user-calibration-of-scc-estimates/313 "2024-10-01T23:13:43Z")
Hello, I am a first-time user and trying to get acquainted with both Julia and MimiGIVE. I was able to install Juia, add packages and run the default model. However, when I run the default model, I got result that seeme… --- ## [Influence of declaration order](https://forum.mimiframework.org/t/influence-of-declaration-order/310)
**Author:** [@emilywen2001](https://forum.mimiframework.org/u/emilywen2001)\ **Replies:** 9\ **Last updated:** [September 9, 2024, 5:38pm UTC](https://forum.mimiframework.org/t/influence-of-declaration-order/310 "2024-09-09T17:38:10Z")
Hi there I changed neteconomy and emissions components. Firstly, I use replace!(m, :neteconomy=\>neteconomy, reconnect=true) to replace the neteconomy component. Secondly, I use connect\_param!(m, :neteconomy, :E, :emis… --- ## [Set dimensions for shared parameter](https://forum.mimiframework.org/t/set-dimensions-for-shared-parameter/309)
**Author:** [@emilywen2001](https://forum.mimiframework.org/u/emilywen2001)\ **Replies:** 3\ **Last updated:** [September 9, 2024, 5:34pm UTC](https://forum.mimiframework.org/t/set-dimensions-for-shared-parameter/309 "2024-09-09T17:34:45Z")
Hi, there I’m trying to add a new shared parameter for my modified Mimi-RICE model. I’ve read the how\_to.md and the tutorial shows that if I want to set dimensions for the parameter, I need to write like this add\_shared… --- ## [Setting subset for regions](https://forum.mimiframework.org/t/setting-subset-for-regions/307)
**Author:** [@emilywen2001](https://forum.mimiframework.org/u/emilywen2001)\ **Replies:** 6\ **Last updated:** [September 4, 2024, 2:16am UTC](https://forum.mimiframework.org/t/setting-subset-for-regions/307 "2024-09-04T02:16:10Z")
I tried to make some changes in the Mimi-RICE model to divide the regions index internally into two subsets of developing countries and developed countries. Is there any syntax in the mimi or Julia syntax that can do the… --- ## [Climate Dynamics- MimiFUND](https://forum.mimiframework.org/t/climate-dynamics-mimifund/306)
**Author:** [@pansah](https://forum.mimiframework.org/u/pansah)\ **Replies:** 2\ **Last updated:** [September 3, 2024, 3:00am UTC](https://forum.mimiframework.org/t/climate-dynamics-mimifund/306 "2024-09-03T03:00:33Z")
@davidanthoff and everyone, I have a question regarding the Climate Dynamics component in MimiFUND. Are the temperatures computed in the Climate dynamics component actual temperature values, or are they the deviations o… --- ## [Error installing OptiMimi](https://forum.mimiframework.org/t/error-installing-optimimi/303)
**Author:** [@emilywen2001](https://forum.mimiframework.org/u/emilywen2001)\ **Replies:** 7\ **Last updated:** [August 29, 2024, 2:43pm UTC](https://forum.mimiframework.org/t/error-installing-optimimi/303 "2024-08-29T14:43:26Z")
I want to use OptiMimi to optimize DICE model, but I have difficulty installing OptiMimi and I don’t know how to solve this problem. It would be great if somebody can help me figure it out! --- ## [Best way to get dimension keys within run\_timestep](https://forum.mimiframework.org/t/best-way-to-get-dimension-keys-within-run-timestep/270)
**Author:** [@jrising](https://forum.mimiframework.org/u/jrising)\ **Replies:** 7\ **Last updated:** [August 27, 2024, 6:24pm UTC](https://forum.mimiframework.org/t/best-way-to-get-dimension-keys-within-run-timestep/270 "2024-08-27T18:24:52Z")
I would like to get information from the Model within run\_timestep and init. In particular, I want to call dim\_keys. Is this information available in the d object? Or what is the accepted way to get model information wit… --- ## [FUND EmissionsComponent- is this an error? Or am I missing something?](https://forum.mimiframework.org/t/fund-emissionscomponent-is-this-an-error-or-am-i-missing-something/296)
**Author:** [@pansah](https://forum.mimiframework.org/u/pansah)\ **Replies:** 2\ **Last updated:** [August 15, 2024, 7:40pm UTC](https://forum.mimiframework.org/t/fund-emissionscomponent-is-this-an-error-or-am-i-missing-something/296 "2024-08-15T19:40:24Z")
HI, I do not get the idea in these lines of the emissions component of MimiFUND; In the initial timestep, you are dividing emissint by energyuse(or GDP); I actually expected a multiplification of emissint by energyuse … --- ## [Impact Aggregation- MimiFUND](https://forum.mimiframework.org/t/impact-aggregation-mimifund/300)
**Author:** [@pansah](https://forum.mimiframework.org/u/pansah)\ **Replies:** 1\ **Last updated:** [August 3, 2024, 4:18am UTC](https://forum.mimiframework.org/t/impact-aggregation-mimifund/300 "2024-08-03T04:18:00Z")
Hi, Good day! In the impact aggregation: v.loss\[t, r\] = (v.eloss\[t, r\] + v.sloss\[t, r\]) \* 1000000000.0 why do you multiply by a billion? When you use the explorer to view individual impacts, most of them appear to b… --- ## [Help with units and conversion](https://forum.mimiframework.org/t/help-with-units-and-conversion/297)
**Author:** [@pansah](https://forum.mimiframework.org/u/pansah)\ **Replies:** 3\ **Last updated:** [August 3, 2024, 4:07am UTC](https://forum.mimiframework.org/t/help-with-units-and-conversion/297 "2024-08-03T04:07:26Z")
Please what are the units of currtax, co2red, taxpar, taxconstant, and the taxemint variables and parameters in MimiFUND? Are they $/tC, $/tC, tC/$, tC/$, and tC/$? Also, in SCC computation, how do you know what scale t… --- ## [Permissions Enquiry](https://forum.mimiframework.org/t/permissions-enquiry/301)
**Author:** [@pansah](https://forum.mimiframework.org/u/pansah)\ **Replies:** 1\ **Last updated:** [August 3, 2024, 3:45am UTC](https://forum.mimiframework.org/t/permissions-enquiry/301 "2024-08-03T03:45:28Z")
Hi, Do I need any outstanding permissions to submit studies conducted with Mimi models? Peter --- ## [Units for Disaggregated Output from Mimi.GIVE](https://forum.mimiframework.org/t/units-for-disaggregated-output-from-mimi-give/292)
**Author:** [@museaoide](https://forum.mimiframework.org/u/museaoide)\ **Replies:** 2\ **Last updated:** [July 19, 2024, 8:51pm UTC](https://forum.mimiframework.org/t/units-for-disaggregated-output-from-mimi-give/292 "2024-07-19T20:51:51Z")
What are the exact data definitions and units for MimiGIVE default, and disaggregated outputs (e.g., damages, marginal damages, co2, temperature)? I am asking because when I ran 10,000 draws of the model with a 1Gt emis… --- ## [Setting a distributions over large dimensions in @defsim](https://forum.mimiframework.org/t/setting-a-distributions-over-large-dimensions-in-defsim/277)
**Author:** [@jrising](https://forum.mimiframework.org/u/jrising)\ **Replies:** 11\ **Last updated:** [June 23, 2024, 11:39pm UTC](https://forum.mimiframework.org/t/setting-a-distributions-over-large-dimensions-in-defsim/277 "2024-06-23T23:39:04Z")
I have 183 regions, and I would like to set a parameter for each region to be drawn from a Uniform(0, 1) distribution. I am using a standard @defsim macro. In theory, I understand that I could do this by creating a large… --- ## [Error using MimiIWG](https://forum.mimiframework.org/t/error-using-mimiiwg/286)
**Author:** [@pansah](https://forum.mimiframework.org/u/pansah)\ **Replies:** 2\ **Last updated:** [June 19, 2024, 7:47am UTC](https://forum.mimiframework.org/t/error-using-mimiiwg/286 "2024-06-19T07:47:10Z")
Hi, Good day! I am following a tutorial that requires MimiIWG. My Julia version is 1.10.4 . I have already run registry add https://github.com/mimiframework/MimiRegistry.git and added MimiIWG. st shows: Status ~/.jul… --- ## [Adding wildfire as GIVE damage sector](https://forum.mimiframework.org/t/adding-wildfire-as-give-damage-sector/279)
**Author:** [@henryW](https://forum.mimiframework.org/u/henryW)\ **Replies:** 2\ **Last updated:** [June 3, 2024, 10:08pm UTC](https://forum.mimiframework.org/t/adding-wildfire-as-give-damage-sector/279 "2024-06-03T22:08:42Z")
Hi - I’m a graduate student at Colorado State University. I’m working with a group at CSU, and we are beginning to think about adding wildfire damages to the GIVE model. We have the model running and have started to thin… [Next page](https://forum.mimiframework.org/latest.md?page=1)