Ever since the acute phase of the financial crisis ended, policy discussion in Washington has been dominated not by unemployment, but by the alleged dangers posed by budget deficits. Pundits and media organizations insisted that the biggest risk facing America was the threat that investors would pull the plug on U.S. debt. For example, in May 2009 The Wall Street Journal declared that the “bond vigilantes” were “returning with a vengeance,” telling readers that the Obama administration’s “epic spending spree” would send interest rates soaring…

I don’t mean to dismiss concerns about the long-run U.S. budget picture. If you look at fiscal prospects over, say, the next 20 years, they are indeed deeply worrying, largely because of rising health-care costs. But the experience of the past two years has overwhelmingly confirmed what some of us tried to argue from the beginning: The deficits we’re running right now — deficits we should be running, because deficit spending helps support a depressed economy — are no threat at all…

O.K., I know what the usual suspects will say — namely, that fears of regulation and higher taxes are holding businesses back. But this is just a right-wing fantasy. Multiple surveys have shown that lack of demand — a lack that is being exacerbated by government cutbacks — is the overwhelming problem businesses face, with regulation and taxes barely even in the picture.