I agree, we aren't "assuming they are highly correlated," as you said. > The argument that piracy drives box office sales would surprise me Me too! It would b

I agree, we aren't "assuming they are highly correlated," as you said. > The argument that piracy drives box office sales would surprise me Me too! It would be interesting if it did however; I can imagine a case where a user of an unlicensed site learned about a movie there and wanted to see it on the big screen. If you read the study they don't argue that however.