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Heterogenous Agents Resources & toolKit

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see discussion in #625 https://github.com/econ-ark/HARK/issues/625#issuecomment-768418303 `np.meshgrid` can replace and simplify some of the complex grid building code currently done with `np.tiling`

- initial import at top, should be able to give beginners better error messages that explain the import errors and installation errors, or point them to a launch URL (econ-ark)...

Computing stable points in the `ConsIndShockModel.py` agents relies on finding expectations of future market resources (or ratios that involve them) given today's states (and optimal behavior). This operation is model-specific...

Priority: Medium
Tag: 1.0

How can we render math nicely from docstrings into autodoc documentation on RTD?

Status: In Progress
Tag: Documentation

In #852 Mridul got rid of a usage of `exec`, but maintained the style that the arguments to `multiThreadCommands` and `multiThreadCommandsFake` include parentheses. He did this by stripping off the...

Priority: Low
Expertise: Basic Python and Open Source

The following code: ``` from HARK.ConsumptionSaving.ConsAggShockModel import KrusellSmithType agent = KrusellSmithType() agent.reset() ``` Produces the following error: ``` Traceback (most recent call last): File "", line 1, in File "/home/sb/projects/econ-ark/HARK/HARK/ConsumptionSaving/ConsAggShockModel.py",...

Priority: Medium
Needs: Documentation

The MrkvEconomyExample takes a long time to solve. https://github.com/econ-ark/HARK/blob/master/examples/ConsumptionSaving/example_ConsAggShockModel.ipynb Maybe there is a way to speed it up.

PortfolioSolution's initializer defaults all inputs to None then turns each None into NullFunc() Simpler to set default values to NullFunc https://github.com/econ-ark/HARK/blob/master/HARK/ConsumptionSaving/ConsPortfolioModel.py#L78-L108

Priority: Low
Function: Solution

Related to #598 - Add to the installation instructions how to set up Jupyter with `latex-envs` in order to properly render the examples - Add to HARK.utilities a script that...