It turns out, however, that these policies do not encourage new spending and instead simply dive up government debt:
Consider first the part of the package that consists of government transfers and rebates. These include one-time payments of $250 to eligible individuals receiving Social Security, Supplemental Security Income, veterans benefits or railroad retirement benefits--and temporary reductions in income-tax withholding for a refundable tax credit of up to $400 for individuals and $800 for families with incomes below certain thresholds. These payments, which began in March of this year, were intended to increase consumption that would help jump-start the economy. Now that a good fraction of these actions have taken place, we can assess their impact.As a whole, the authors offer this assessment of President Obama's stimulus package:
... [A]s the chart also shows, there was no noticeable impact on personal consumption expenditures. Because the boost to income is temporary, at best only a very small fraction was consumed.
This is exactly what one would expect from "permanent income" or "life-cycle" theories of consumption, which argue that temporary changes in income have little effect on consumption. These theories were developed by Milton Friedman and Franco Modigliani 50 years ago, and have been empirically tested many times. They are much more accurate than simple Keynesian theories of consumption, so the lack of an impact should not be surprising.
Indeed, one need not have looked any further than the Bush administration's Economic Stimulus Act of 2008 to find plenty of evidence that temporary payments of this kind would not jump-start consumption. That package made one-time payments and rebates to people in the spring of 2008, but, as the chart shows, failed to stimulate consumption as had been hoped. Some argued that other factors such as high oil and gasoline prices caused consumption to fall during this period and that consumption would have been even lower without the stimulus, but no significant impact of these rebates is found even after controlling for oil prices.
[T]he data available so far tell us that the government transfers and rebates have not stimulated consumption at all, and that the resilience of the private sector following the fall 2008 panic--not the fiscal stimulus program--deserves the lion's share of the credit for the impressive growth improvement from the first to the second quarter. As the economic recovery takes hold, it is important to continue assessing the role played by the stimulus package and other factors. These assessments can be a valuable guide to future policy makers in designing effective policy responses to economic downturns.
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