Is Capitalsim a inherited part of Democracy?

I was once ask this question in Pol 110.  I am curious how everyone wlse would answer

too bad social science isn't as stringent as physics then isn't it.

we've tried either one side, seen them attempted to be done, and have failed, where as most places today that aren't shitholes, have some parts of both.

but it's not possible to just find like "oh, this is the best sort of mix, ALL MUST DO THIS!" there is too much diversity, too many contingencies to simply do that. What to do then is a debate you can have from now on and till forever.