The chart below plots out the unemployment rate, the amount of Federal borrowing and the dollar amount equal to 6% of GDP. I chose 6% because that was effectively the peak of the Reagan era. Note that borrowing doesn't start to fall until the unemployment rate decline. Considering the extent of the current recession in terms of its damage to household and business spending, odds of a quick decline in unemployment is small -- and so too are the odds of drop in Federal borrowing. You can also add to this a major difference between the 1980s and 90s versus now -- the buildup in the Social Security trust fund that financed a good part of the Federal budget is finished. Over the next 10 years dissaving by the trust fund means more borrowing irrespective of base Federal spending and revenues.

As for those worrying about the takeover of the Federal sector, remind yourself that at present there is no net new private sector borrowing to speak of and without Federal spending the economy would be in much worse condition. There is always a cyclical ebb and flow to borrowing by the Federal government, nonfinancial businesses, households, and state & local governments (see pie chart below). As for crowding out, below is a scatter plot of Federal borrowing against household and business borrowing. It is quite clear that the volatility on the private side occurs even though Federal borrowing stays is a relatively narrow range.
In sum, deficit forecasts are notoriously poor and the present collection will turn out no better. The amount sounds large, but it is not sufficiently different from the Reagan error. Instead of lowering high marginal tax rates and starving government, the current plan is for government to spend instead. Considering the sharp difference in the condition of the economy then and now, it might prove to be a pretty good idea -- the overburdened household balance sheet means someone has to spend in order to keep the economy growing.


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