Wednesday, December 17, 2008

"what will the federal budget look like, as evaluated by the budget deficit and tax revenue as a share of GDP? "

Greg Mankiw offers a version of what I call the "Ratcheting Theory Of Govern Intrusion", which believes that:
1) While government intrusion into the economy can grow, it cannot decline.
2) Crises increase government intrusion into the economy.


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Click on the figure to enlarge.

The above figure (reprinted from my favorite textbook) shows government revenue as a percent of GDP. The most noteworthy feature of this data is the substantial growth of government from 1929 to 1945. It is easy to understand why the size of government grew so much during this period: The nation was responding to the crises of the Great Depression and, especially, World War II. But what is noteworthy is that while these crises were transitory, the increase in the scope of government was permanent.

This historical episode is one reason why advocates of limited government are rightly worried about the fiscal stimulus package that the incoming administration is going to propose. Rahm Emanuel, the new White House chief of staff, is reported to have said, "You don't ever want to let a crisis go to waste: It's an opportunity to do important things that you would otherwise avoid." It is not entirely clear what he meant by this. But one interpretation is that he is going to use a temporary crisis as an excuse to engineer a permanent increase in the size of government.

Here is the question reporters should focus on when evaluating the proposed plan: Five or ten years from now, when the economy is presumably at some normal level of employment and growth, what will the federal budget look like, as evaluated by the budget deficit and tax revenue as a share of GDP?"

I agree with 2, but not 1. Why? Here's my theory:
1) Now that Socialism and Communism are effectively debunked, leaving the Welfare State, the Left will drift more and more towards the center, where the center is Socially Liberal and Economically Conservative.

That's my thesis. Call it the "Leftward Drift Towards The Center" thesis.

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