During the initial stages of COVID, Americans responded to shortages of basic items by making them domestically.

That's a blip that'll likely end once the economy (really) goes back to normal, says economist and University of Chicago professor Austan Goolsbee.

"Why," he asks Ian Bremmer on GZERO World, "do we have a giant warehouse full of socks that we made here that we could buy on the open market for one third the price, and we could just have shipped here when we need them?"