Getting Serious About Debts and Deficits
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With the possibility that the Democrats will retake Congress and press demands for increased spending in areas like health care, education, and child care, the deficit hawks (DH) are getting prepared to awaken from their dormant state. We can expect major news outlets to be filled with stories on how the United States is on its way to becoming the next Greece or Zimbabwe. For this reason, it is worth taking a few moments to reorient ourselves on the topic.
First, we need some basic context. The DH will inevitably point to the fact that deficits are at historically high levels for an economy that is near full employment. They will also point to a rapidly rising debt-to-GDP ratio. Both complaints are correct, the question is whether there is a reason for anyone to care.
Just to remind everyone, the classic story of deficits being bad is that they crowd out investment and net exports, which makes us poorer in the future than we would otherwise be. The reason is that less investment means less productivity growth, which means that people will have lower income five or ten years in the future than if we had smaller budget deficits. Lower net exports mean that foreigners are accumulating US assets, which will give them a claim on our future income.
Debt is bad because it means a larger portion of future income will go to people who own the debt. This means that the government has to use up a larger share of the money it raises in taxes to pay interest on the debt rather than for services like health care and education. Or, to put it in a more Keynesian context, there will be more demand coming from people who own the debt, which means the government would need higher taxesnto support the same level of spending than would otherwise be the case.
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