I would like to know how important combinatorics is. I am an undergraduate student looking to take more math courses and I saw and intro to combinatorics as an option. The reason I am asking is because the course seems cool to me but preference is usually given to compsci majors thus there are hurdles when enrolling which is why I was wondering what application of combinatorics are there in economics?

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    $\begingroup$ You need to be more specific about what you mean by "important". Important for what? Grades on your undergrad econ courses? Grad school application? Potential uses in future jobs? $\endgroup$ – Herr K. May 6 at 3:49
  • $\begingroup$ Thank you for the comment! I will edit and clarify my question. Is it clear now? $\endgroup$ – fintechgenie May 6 at 11:08
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    $\begingroup$ @HerrK. Most matching theory is combinatorics. And network economics makes heavy use of graph theory. Much of social choice theory is essentially combinatorial. $\endgroup$ – Michael Greinecker May 6 at 21:02
  • $\begingroup$ @MichaelGreinecker: It didn't occur to me that problems in those fields are combinatorial. But now that you said it, I see why they are. I stand corrected. $\endgroup$ – Herr K. May 6 at 22:10

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