For my econ class, I chose to write a paper on how GST affected india's economy, though my teacher has approved it, I would like to add data showing how India's economy would have behaved without GST, however being in 12 th I have no idea how to do this. Are there any free apps that can help me with this?

  • $\begingroup$ Have a look at GTAP in GAMS, it is used for CGE modeling and looking at alternative scenarios, such as by chnging tax rates etc afaik but I am nt sure if something as complex and major as the Indian GST can be implemented here, or if the data even is available $\endgroup$ Jun 21, 2022 at 18:35
  • $\begingroup$ @IshanKashyapHazarika GAMS is not free $\endgroup$
    – 1muflon1
    Jun 21, 2022 at 18:53
  • $\begingroup$ Oh sorry, didnt know. I had access to it through an organisation I was working for so I wasnt sure $\endgroup$ Jun 22, 2022 at 4:46

1 Answer 1


To simulate a whole economy you will need something like:

  • octave
  • Python
  • Julia
  • Fortran

All of the software above is free.

  • 2
    $\begingroup$ So I basically have to write a program, right? No ready made app exits(where I can just input parametersm am I right? $\endgroup$ Jun 21, 2022 at 17:41
  • $\begingroup$ @fhhh to my best knowledge there isn’t any app where you could simulate a whole economy just by entering parameters, so yea you have to write the code for simulation yourself $\endgroup$
    – 1muflon1
    Jun 21, 2022 at 18:14

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