I think we have 50 years worth of data, at the very, in the modern era to give at least some sort of evaluation of the usefulness of the money we are spending o

I think we have 50 years worth of data, at the very, in the modern era to give at least some sort of evaluation of the usefulness of the money we are spending on math research. Yeah, it's hard to quantify the value of research. I want research to be funded too. But I prefer some quantification over none at all.