First question is, did anyone claim their models would have predictive power, and what sort of uncertainty margins did they set. Economics and other social scie

First question is, did anyone claim their models would have predictive power, and what sort of uncertainty margins did they set. Economics and other social science modeling is not 'R square > 0.9, let's go to the pub!' (apart from the fact that a regression model is not even a model as it applies to most processes from these fields, but that's a different discussion...).