Fair enough: big simulation answers some questions, small simulation answers others. So what are the specific questions that a big epidemiological simulation can answer? It can't be anything too predictive ("ohmigod, New York has just fallen to small pox. Which city is next?") because that depends (I'd guess) on something that is unsimulatable ("errr.... dunno. Kinda depends which flight the guy with small pox got onto"). What are the questions that can only be answered with a big model?
R
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