I'm not laughing at you, but rather the nonsense from Moody's. Read what they wrote. Of course an infrastructure plan would increase GDP by definition -- it's all government spending, which even Trump has mulled before. But where does that capital come from? It comes from taxing or borrowing, thus decreasing saving and investment from elsewhere. We aren't selling the roads as a good or service (unless we place tolls everywhere), so it doesn't create anything other than short-term job growth, then the bonds have to be repaid. Then they go on to say increasing spending on higher education and increasing skilled worker immigration will increase GDP, but for what jobs? Did they not look at the unemployment rate? What good is it going to do bringing in a bunch of foreign workers and having a bunch of kids obtain Masters in History when we just spent trillions in an infrastructure plan that sucked out investment from actually making real goods and services? At least they admitted that the higher tax burden would have an impact; of course it would.
If government was that adept at what they do and it was so easy to tax, borrow and spend all time without producing anything, meaning the "G" in the formula for GDP was the only thing that mattered, then why wasn't Argentina or Venezuela or any of the other nations with similar structures have the best economy ever? Why even produce anything at all? Just let government do it all, right?
I can't even believe that nonsense came from Moody's, so that's saying something.