"If we discovered that space aliens were planning to attack, and we needed a massive build-up to counter the space alien threat, and inflation and budget defici

"If we discovered that space aliens were planning to attack, and we needed a massive build-up to counter the space alien threat, and inflation and budget deficits took secondary place to that, this slump would be over in 18 months," Krugman says, referencing an episode of The Twilight Zone in which an alien threat was manufactured to bring about world peace.