Is Modelica used for economic modeling as well?
https://openmodelica.org/images/M_images/Moses206/moses2016-...
https://openmodelica.org/images/M_images/Moses206/moses2016-...
(and then there's Cybersyn. It's difficult to evaluate how effective or ineffective it may have been, as the copper drop in value relative to gold by 5x in the early 1970's must've been a serious exogenous shock to the Chilean economy)